Trump announces $700 million funding for coal plants, energy infrastructure

Out of the above substances, hydrofluorocarbons (HFCs) are used in the making of:  1. Aerosols HFCs were historically used as propellants in aerosol cans, but their use is being phased out due to environmental concerns. 2. Foam agents Some types of fire-fighting foam agents use HFCs. 3. Fire retardant HFCs can be a component in some fire retardant formulations. 4. Lubricants typically do not contain HFCs. They use different chemical formulations to achieve lubricating properties.

The Common Carbon Metric (CCM) is a protocol developed by the United Nations Environment Program's Sustainable Buildings & Climate Initiative (UNEP-SBCI) for measuring energy use and reporting greenhouse gas (GHG) emissions from building operations. Its purpose is to support GHG emissions reductions through accurate measurement of energy efficiency. It is a universal method of measuring a building's carbon footprint and allows emissions from buildings around the world to be consistently assessed and compared. Therefore, it is used for assessing the carbon footprint of building operations around the world.

India’s CO₂ emissions come mainly from fuel combustion, especially electricity generation, and per capita emissions are higher than 0.5 tonnes. ❌ Statement I is incorrect:
* India’s per capita CO₂ emissions are around 1.9-2.0 tonnes, higher than 0.5 t CO₂/capita. ✅ Statement II is correct:
* India ranks second in the Asia-Pacific for total CO₂ emissions from fuel combustion, after China. ✅ Statement III is correct:
* Electricity and heat production (mainly coal-based) is the largest source of India’s CO₂ emissions. So, the correct answer is: C

Cement manufacturing contributes significantly to global carbon emissions, mainly due to the chemical process involved in producing clinker. ✅ Statement I: Cement industry emissions are estimated to be around 5-8% of global CO₂ emissions, making it a major source of greenhouse gases. ✅Statement II: Silica-bearing clay is indeed mixed with limestone during cement making to provide essential minerals like silicon, aluminum, and iron needed for the final product. ✅Statement III: During clinker production, limestone (calcium carbonate) is heated and converted into lime (calcium oxide), releasing CO₂ in the process. This calcination is the main source of carbon emissions in cement manufacturing. Both Statements II and III are correct, but only Statement III directly explains the source of carbon emissions mentioned in Statement I.

Direct Air Capture (DAC) is a technology that removes CO₂ directly from the air for storage or use in various industries. ✅ Statement I is correct:
* DAC captures CO₂ for carbon sequestration, reducing greenhouse gases. ✅ Statement II is correct:
* Captured CO₂ can be used to make plastics and in food processing. ✅ Statement III is correct:
* DAC provides carbon to make synthetic low-carbon aviation fuels by combining with hydrogen. So, the correct answer is: C

The Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants was launched by a joint effort of
1. United Nations Environment Programme (UNEP)
2. Six countries Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States Statement 1 is incorrect. The Climate and Clean Air Coalition (CCAC) is not a unique initiative of the G20 group of countries. While some G20 members were involved in its launch, the CCAC has grown into a broader coalition that includes over 160 governments, intergovernmental organisations, and non-governmental organisations. Statement 2 is correct. The CCAC's primary focus is indeed on reducing emissions of potent short-lived climate pollutants (SLCPs). These include Methane (CH4), Black Carbon (BC) and Hydrofluorocarbons (HFCs).

System of Rice Intensification (SRI) includes a method called Alternate Wetting and Drying (AWD) which is a form of controlled irrigation of the rice crops. The benefits from the program include 1. Reduction in methane emissions as compared to traditional rice cultivation. 2. Reduction in water consumption . 3. Reducing fuel consumption . 4. Increase paddy yields . 5. Reduce required seeds for transplanting. 6. Reduce use of chemical fertilizers and agrichemicals . 7. Reduce irrigation demand . 8. Reduce production costs . 9. With increased output and reduced costs, farmers net income is increased .

Statement 1 is correct: Zero tillage is a method of farming that involves sowing crop seeds directly into the soil without disturbing it. This method has several advantages.
In zero tillage, the residue of the previous crop is left on the field, which acts as a natural mulch, reducing soil erosion and improving soil fertility. Therefore, there is no need to burn the residue of the previous crop before sowing wheat. Statement 2 is correct: In zero tillage, seeds are directly planted into the soil, eliminating the need for a nursery of rice saplings. This not only saves time and labor but also reduces the cost of cultivation. Statement 3 is correct: Carbon sequestration refers to the process of capture and long-term storage of atmospheric carbon dioxide. In zero tillage, the carbon in the crop residue is returned to the soil, which helps in carbon sequestration. Therefore, all three statements are correct.

Methane and nitrous oxide emissions from rice farms could have the same long-term warming impact as about 600 coal plants. Rice cultivation emits methane and nitrous oxide due to flooded fields and nitrogen-based fertilizers. Flooding creates anaerobic conditions, producing methane released through rice plants. Fertilizers poorly absorbed by rice lead to soil microbes converting nitrogen into nitrous oxide.

Statement 1 is incorrect: The agreement did not "go into effect in 2017." It was adopted in Dec 2015, signed in April 2016, and legally entered into force on November 4, 2016, after the "55/55" threshold (55 countries representing 55% of global emissions) was met. Statement 2 is correct: This is the core "temperature goal" of the Paris Agreement: keeping the increase well below 2°C and pursuing efforts to limit it to 1.5°C above pre-industrial levels. Statement 3 is incorrect: While the agreement acknowledges "Common But Differentiated Responsibilities" (CBDR), the financial commitment was $100 billion per year by 2020, not $1000 billion.