Climate Change

Explanation

The atmosphere plays a crucial role in maintaining Earth's temperature through the greenhouse effect. Statement I is correct because the atmosphere helps retain heat, preventing temperatures from dropping drastically. Statement II is accurate as the atmosphere absorbs and traps heat, regulating the planet's average temperature. Statement III is true because greenhouse gases like carbon dioxide are efficient at absorbing and trapping radiation, contributing to the greenhouse effect.

Explanation

The cement industry contributes over 5% of global carbon emissions primarily due to the conversion of limestone into lime during clinker production. This process involves mixing silica-bearing clay with limestone, as stated in Statement II, which explains the significant carbon dioxide emissions associated with cement manufacturing mentioned in Statement I.

Explanation

The COP28 Declaration on Climate and Health is not a binding declaration that mandates decarbonization of the health sector. Therefore, Statement II is incorrect. Decarbonizing the health sector can actually enhance the resilience of India's healthcare system by reducing its carbon footprint and vulnerability to climate change impacts. Hence, Statement III is correct and explains why India refrained from signing the declaration.

Explanation

Solar flares and coronal mass ejections can impact the Earth's atmosphere with significant energy, affecting its rotation and axis. The melting of polar ice can lead to a redistribution of water towards the equator, influencing the Earth's dynamics. These factors can collectively contribute to a shift in the Earth's rotation and axis, as suggested by scientific studies.

Explanation

Direct Air Capture is an emerging technology that can be used for carbon sequestration by capturing carbon dioxide directly from the atmosphere. It also has applications in plastic production and food processing by utilizing captured carbon. Additionally, in aviation, Direct Air Capture can provide a source of carbon for creating synthetic low-carbon fuels when combined with hydrogen.

Explanation

In terms of CO2 emissions from fuel combustion, India ranks second in the Asia-Pacific region. This indicates that India is a significant contributor to CO2 emissions in the region. Additionally, electricity and heat producers are the largest sources of CO2 emissions in India, highlighting the key sectors responsible for greenhouse gas emissions in the country.

Explanation

The World Bank's warning about wet-bulb temperatures exceeding 35°C in India implies that the country could face a range of extreme weather events including flooding, tropical cyclones, and droughts. Additionally, the report highlights the impact on the survival of animals and humans due to the difficulty in shedding body heat through perspiration under such high temperatures.

Explanation

The Congo Basin is home to the world's largest tropical peatland, storing vast amounts of carbon. Peatlands are crucial in sequestering carbon dioxide, and their destruction can release significant amounts of stored carbon into the atmosphere, exacerbating climate change.

Explanation

The European Parliament did not approve The Net-Zero Industry Act recently. However, the European Union aims to achieve carbon neutrality by 2050, not 2040, and it plans to develop all of its own clean technology by that time.

Explanation

Carbon markets are indeed considered one of the most widespread tools in combating climate change as they provide a financial incentive for companies to reduce their greenhouse gas emissions. These markets operate by transferring resources from the private sector to the State through mechanisms such as carbon pricing, cap-and-trade systems, and carbon offsetting.

Explanation

Spreading finely ground basalt rock on farmlands helps in enhancing soil's ability to absorb and store carbon dioxide. Increasing the alkalinity of oceans by adding lime can aid in the absorption of excess carbon dioxide from the atmosphere. Capturing carbon dioxide from industries and storing it underground in the form of carbonated waters is a method used for carbon capture and sequestration.

Explanation

'Climate Action Tracker' is a database that monitors the emission reduction pledges of different countries. It is created by a coalition of research organizations, which collaborate to analyze and assess the climate actions and policies of various nations. This database provides an independent and transparent evaluation of countries' efforts towards mitigating climate change.

Explanation

'The Climate Group' is an international non-profit organization that builds networks to drive climate action. The organization, in partnership with the International Energy Agency, launched the global initiative 'EP100', which focuses on energy efficiency and emission reduction goals. Some Indian companies are members of EP100, making statements 1, 3, and 4 correct.

Explanation

Blue carbon refers to the carbon captured and stored in oceans and coastal ecosystems such as mangroves, seagrasses, and salt marshes. These ecosystems are highly efficient at sequestering carbon dioxide from the atmosphere and storing it in their biomass and sediments, making them important natural carbon sinks that help mitigate climate change.

Explanation

The 'Common Carbon Metric', supported by UNEP, has been developed to assess the carbon footprint of building operations around the world. This metric helps in quantifying and comparing the greenhouse gas emissions associated with the construction and operation of buildings, thus aiding in the evaluation of their environmental impact.

Explanation

The Climate-Smart Village approach in India is indeed a part of a project led by the Climate Change Agriculture and Food Security (CCAFS), an international research program. This project is carried out under the Consultative Group on International Agricultural Research (CGIAR), which is headquartered in France. The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in India is one of the research centers under CGIAR.

Explanation

The Social Cost of Carbon, as per the OECD, is the monetary worth of the long-term consequences of climate change resulting from the emission of one extra tonne of carbon into the atmosphere today, extending over the next century or beyond.

Explanation

Some scientists propose using cirrus cloud thinning and injecting sulphate aerosol into the stratosphere to reduce global warming. Sulphate aerosol particles are effective at reflecting sunlight, and studies indicate that reflecting just 1% of incoming solar radiation back into space could help offset a significant amount of temperature increase on Earth.

Explanation

There are significant deposits of methane hydrate in Arctic Tundra and beneath the seafloor. The release of methane gas from these deposits could be triggered by global warming. Methane in the atmosphere transforms into carbon dioxide after a few decades. Therefore, all three statements are correct, making option (d) 1, 2, and 3 the correct answer.

Explanation

According to information from NASA, all three statements regarding methane hydrate deposits are accurate. These deposits, which contain methane gas, are at risk of releasing gas due to global warming. They are commonly found in large amounts in the Arctic Tundra and beneath the seafloor. Additionally, methane in the atmosphere undergoes oxidation to become carbon dioxide within a decade or two. Therefore, the correct answer is option (d), as all statements are true.

Explanation

Carbon fertilization refers to the phenomenon where plant growth is enhanced due to higher levels of carbon dioxide in the atmosphere. Research has indicated that elevated concentrations of carbon dioxide stimulate photosynthesis, leading to increased plant growth. It has been observed that carbon dioxide fertilization accounts for 70 percent of the increase in greenery.

Explanation

The initiative 'Momentum for Change: Climate Neutral Now' was introduced by the UNFCCC Secretariat in 2015.

Explanation

Carbon fertilization refers to the phenomenon where plant growth is enhanced due to higher levels of carbon dioxide in the atmosphere. Research has indicated that elevated carbon dioxide concentrations lead to increased photosynthesis, which in turn promotes plant growth. This effect is known as carbon fertilization and is represented by option (a) in the given statements.

Explanation

The UNFCCC Secretariat introduced the Climate Neutral Now initiative in 2015. In the subsequent year, they added a new component to their Momentum for Change initiative, specifically concentrating on Climate Neutral Now. This was part of their broader campaign to highlight effective climate actions globally.

Explanation

To address the looming global warming caused by human-generated carbon dioxide emissions, potential sites for carbon sequestration include abandoned coal seams, depleted oil and gas reservoirs, and deep saline formations underground. These sites can store carbon and help mitigate the impacts of climate change. Deep saline formations are particularly effective for carbon sequestration. So, the correct answer is option (d) - 1, 2, and 3.

Explanation

The Global Climate Change Alliance is an initiative led by the European Union that offers technical and financial assistance to specific developing countries for integrating climate change considerations into their development strategies and budgets. Contrary to the third statement, the GCCA is managed by EuropeAid (DG for International Cooperation and Development) and not by the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). The correct statements are 1 and 2 only, making option (a) the right answer.

Explanation

The Climate and Clean Air Coalition (CCAC) was established in 2012 by the United Nations Environment Programme (UNEP) and countries like Ghana and Bangladesh. The first statement is incorrect. The CCAC's focus is on reducing Short Lived Climate Pollutants, including methane, black carbon, and hydrofluorocarbons. Therefore, the second statement is correct.

Explanation

The Paris Agreement, formed during the 2015 UNFCCC Meeting, is aimed at limiting greenhouse gas emissions to prevent global temperatures from rising more than 2°C or 1.5°C above pre-industrial levels. Developed countries agreed to acknowledge their historical role in global warming and pledged to provide $100 billion annually from 2020 to assist developing nations in dealing with climate change. It is important to note that not all member countries have signed the agreement, and there is no set deadline for its ratification.

Explanation

Countries worldwide agreed to establish a new global climate agreement by the end of the U.N. Framework Convention on Climate Change (UNFCCC) Conference of the Parties (COP21) in Paris in December 2015. INDCs are linked to addressing climate change under the UNFCCC.

Explanation

The Forest Carbon Partnership Facility is an international collaboration involving governments, businesses, NGOs, and indigenous communities with the goal of decreasing greenhouse gas emissions resulting from deforestation and forest degradation.

Explanation

The Green Climate Fund (GCF) was established under the UNFCCC to transfer funds from developed to developing nations for helping them adapt to and combat climate change.

Explanation

The movement known as 'Earth Hour' is organized by the World Wide Fund for Nature (WWF) and is a global initiative. Participants are encouraged to switch off their non-essential lights for one hour on a specific day each year. This movement aims to raise awareness about climate change and the importance of protecting the planet.

Explanation

In the field of science, it is advised that the global temperature increase should stay below 2°C from the pre-industrial era. If the global temperature surpasses 3°C above the pre-industrial level, it could have various impacts on the world. These include the terrestrial biosphere becoming a net carbon source, widespread coral mortality, and the permanent disappearance of all global wetlands. Additionally, the cultivation of cereals may become impossible worldwide. The correct answer, based on these possible impacts, is option (b) 1 and 2 only.

Explanation

As the oceans become more acidic, it poses a significant threat to marine life. This phenomenon impacts the growth and survival of calcareous phytoplankton, coral reefs, and animals with phytoplanktonic larvae. Additionally, ocean acidification can hinder the formation of clouds through cloud seeding. Therefore, all the statements provided in the options (1, 2, 3, and 4) are correct.

Explanation

The atmosphere's temperature is gradually rising due to the growing levels of carbon dioxide in the air, as it absorbs the infrared segment of the solar radiation.

Explanation

All three mentioned agricultural practices aid in storing carbon in the soil, contributing to carbon sequestration.

Explanation

The 'caps' or quotas for greenhouse gases for developed countries under the Kyoto Protocol are called Assigned Amounts and can be found in Annex B.

Explanation

Human activities have led to an increase in carbon dioxide levels in the atmosphere. However, not all of this carbon dioxide remains in the lower atmosphere. Some of it escapes into the outer stratosphere, while phytoplankton in the oceans carry out photosynthesis, which helps in reducing the concentration of carbon dioxide. Additionally, air is trapped in the polar ice caps, further contributing to the removal of carbon dioxide from the atmosphere. The correct statements are 2 only.

Explanation

Certain regions may be contributing to global warming due to their extensive rice cultivation. This is primarily because the anaerobic conditions created during rice cultivation lead to the emission of methane. Additionally, when nitrogen-based fertilizers are used in these fields, nitrous oxide is released from the soil. Both of these factors contribute to the emission of greenhouse gases from rice fields, exacerbating global warming.

Explanation

India faces challenges in mitigating global warming due to limited access to suitable alternative technologies and inadequate funds for research and development. Additionally, the presence of polluting industries from developed countries in India further complicates the situation. This limits India's ability to effectively address global warming in the present and near future.

Explanation

In the ambient atmosphere, you can find soot, sulphur hexafluoride, and water vapour. All three of these substances contribute to warming up the atmosphere.

Explanation

The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty that was established at the UN Conference on Environment and Development held in Rio de Janeiro in 1992.

Explanation

The idea of carbon credit was first introduced as a part of the Kyoto Protocol, allowing for the trading of carbon emissions. It served as a flexibility mechanism within the agreement.

Explanation

In 2008, the Parliament of which country passed 'The Climate Change Accountability Bill' becoming the first in the world to enact a Climate Act? (a) Australia (b) Canada (c) Germany (d) Japan Correct Answer: (b) Original: The Climate Change Accountability Act is a Private Member's Bill submitted in Canadian Parliament. Rewritten: The Climate Change Accountability Act was introduced as a Private Member's Bill in the Canadian Parliament.

Explanation

In the year 2005, New Zealand became the first country globally to suggest a carbon tax as a measure to tackle global warming.

Explanation

The Kyoto Protocol was agreed upon on December 11, 1997, but officially came into effect on February 16, 2005, in Kyoto, Japan. This international agreement focuses on reducing greenhouse gas emissions to a level that is at least 5% lower than the levels recorded in 1990. Methane is considered to be a more potent greenhouse gas compared to carbon dioxide in terms of its harmful effects on the environment.

Explanation

In 1997, the World Environment Conference convened to address global warming took place in Kyoto, Japan.

Explanation

In 1997, the Indonesian forest fire was not caused by the greenhouse effect, depletion of the ozone layer, or the El Nino effect. Instead, the fires were a result of the negligence of companies, smallholders, and the government. Specifically, a significant portion of the fires in Sumatra, around 37%, were happening on pulpwood concessions, leading many to point fingers at big businesses for their role in the disaster.