Other questions in GHG Management

• Why do livestock burps & belches emit CH4 while those of humans (and many other animals) don't?
• CO2, the most prominent greenhouse gas, lingers in the atmosphere for over a hundred years. How long, approximately, does the second most prominent GHG, methane, stay in the atmosphere?
• Approximately what percentage of global GHG emissions (in CO2 equivalents) come from livestock?
• The city of New York recently approved an ambitious climate action plan that aims to get the city to Net Zero by 2050. One of the targets is to have 1 to 2 million homes installed with this low carbon technology by 2030. What?
• What is the concentration of CO2 in power plant emissions (% by volume)?
• What is the concentration of CO2 (by volume) in typical vehicle exhausts?
• Which prominent finance industry personality said a few months back that the next 1000 unicorns could be climate tech startups?
• What % of CO2 emitted since 1850 still remains in the atmosphere?
• We emit about 35 billion tons (35000 million tons) of CO2 every year. How much CO2 was emitted in 1800 (approximately)?
• On earth, the CO2 levels our atmosphere are about 420 parts per million. How much is it on Mars?
• Higher CO2 concentrations in atmosphere can be beneficial to the growth of some plants. By how much could be yield increase with sufficient increase in atmospheric CO2 levels?
• What is the approximate concentration of CO2 (by volume) in human breath?
• In terms of CO2 utilization, currently the largest use of CO2 is for what?
• For a single occupant mid sized family car, what % of it is useful payload, assuming a single human of 75 Kg weight drives with little baggage?
• Based on 2017 data, an average American consumes about how many times the electricity as an average citizen of Guinea Bissau?
• The atmosphere contains about 850 billion tons of CO2; about 550 billion tons are stored in plants: about 2500 billion tons are stored in soils (with 1500 billion tons of that in permafrost alone. How much CO2 is stored in the ocean ecosystem?
• A 2020 PWC report inferred that while the transport sector was responsible for only about 16% of global carbon emissions, electric mobility was getting a much higher share of venture investments. What was the share?
• By what percentage can cutting off video decrease carbon footprint during video conference meetings?
• According to IPCC, how much CO2 needs to be sucked out of the atmosphere for the world to reach 1.5 deg C above pre-industrial by 2100? The range, depending on multiple scenarios?
• This finance firm announced based on an audit that the carbon footprint of its portfolio companies in 2020 was 330 million tons. Which?
• What’s the key difference between carbon credits and carbon offsets?
• This company turns biomass into oil and pours it down the earth, and it got venture funded for this. What is its name?
• Which is the world’s highest valued climate tech startup, as of mid 2022?
• Which of the following industrial operations has “process” CO2 emissions, that is, CO2 emissions owing to the chemical process and not from the fuel used?
• How much CO2 does the world’s largest coal based thermal power plant generate per annum? (approx)
• Indian coal is of poor quality and has a calorific value not much higher than that for biomass. What is the range of CV for Indian coal, in KCal/Kg?

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