Climate Change/Global warming

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    Which of the following is a greenhouse gas?

    Correct! Wrong!

    Greenhouse gases may be a result of natural occurrences or human activity. These gases include carbon dioxide, methane, water vapour, nitrous oxide and ozone. Fluorinated gases are also considered to be greenhouse gases. Greenhouse gases act like a heat-trapping blanket, making the Earth habitable for humans. However, human activities have increased emissions of greenhouse gases into the atmosphere beyond what the Earth can support, resulting in climate change.

    What can you do to help fight climate change?

    Correct! Wrong!

    According to UNEP, every person, employer, industries, and politicians have the responsibility to act and fight against climate. They suggest that besides the above, Spreading the word, Keeping up political pressure, changing to renewable energy, taking plant-rich diets, sustainable living, dress(climate) smart are some other ways to fight climate change.

    Which of these countries emits the least carbon dioxide?

    Correct! Wrong!

    Bhutan has made possible what no other country has been able to achieve. This carbon-negative country has shown us how we can address climate change with compassion, commitment and creativity and come out on top. On the other hand, on average USA is considered the top most CO2 emitting country followed by China and Russia.

    Globally, which of the following economic sectors emits the largest percentage of greenhouse gas emissions?

    Correct! Wrong!

    Emissions come from many sectors. But Energy sector emits the most green house gas emissions.

    Which of the following is the biggest cause of global warming?

    Correct! Wrong!

    The combustion of fossil fuels for energy is the most significant source of carbon dioxide emissions linked to human activity and a major cause of global warming.

    What percentage of the earth’s atmosphere is carbon dioxide, the greenhouse gas?

    Correct! Wrong!

    Although carbon dioxide is only a small fraction of the earth’s atmosphere, it is a potent greenhouse gas. Today’s concentration of carbon dioxide, 415 parts per million, or 0.0415 percent, is about 30 percent higher than when modern records began in 1960.

    What is the world’s simplest molecule and a potential source of clean energy?

    Correct! Wrong!

    Hydrogen is a fuel that stores energy. It can be produced from fossil fuels or by running electricity through water, making “green hydrogen”.

    The Greenhouse Effect

    Correct! Wrong!

    The Greenhouse Effect is the natural process of the rise in surface temperature on Earth as certain gases in the atmosphere trap energy. These gases such as water vapour, carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are known as greenhouse gases because, like the glass in a greenhouse, they trap some of the outgoing energy from the sun retaining this heat in the earth. As a result, the earth’s temperature increases.

    What is the main cause of the extinction of many living species?

    Correct! Wrong!

    The main causes of the extinction of many living species are linked with human activities. However, the increase in global temperatures of 2° Celsius would cause as many as one-third of all animal and plant species to find themselves on the brink of extinction.

    Which of the following contributes least to your carbon footprint?

    Correct! Wrong!

    A carbon footprint is defined as "the total sets of greenhouse gas emissions caused by an organization, event, product or person”. We must remember that our individual decisions affect the fate of the world. Riding a bike is the most eco-friendly way to travel.

    Why are forests important for mitigating climate change?

    Correct! Wrong!

    Forests contribute to mitigation because of their capacity of remove carbon from the atmosphere and to store it. Deforestation and forest degradation cause 15-20?% of global GHG emissions.

    Rise in water level in the ocean and seas due to melted ice sheets and glaciers causes

    Correct! Wrong!

    There are numerous heavily populated sinking cities like Mumbai, Shanghai, NYC, and Miami at risk. With a population of 10 million, Jakarta is considered by some to be “the fastest-sinking city in the world” and is projected to be “entirely underwater by 2050”.

    In global warming, the temperature of

    Correct! Wrong!

    The research found that around 80% of the increase in the temperature of the troposphere since 2000 was due to warming caused by humans.

    How much have sea levels risen in the past 100 years?

    Correct! Wrong!

    Global average sea level has risen by about 8 inches (about 21 cm) since 1900, with about 3 of those inches (about 7.5 cm) occurring since 1993.

    How long does CO2 remain in the atmosphere?

    Correct! Wrong!

    The lifetime in the air of CO2, the most significant man-made greenhouse gas, is probably the most difficult to determine, because there are several processes that remove carbon dioxide from the atmosphere. Between 65% and 80% of CO2 released into the air dissolves into the ocean over a period of 20–200 years. The rest is removed by slower processes that take up to several hundreds of thousands of years, including chemical weathering and rock formation. This means that once in the atmosphere, carbon dioxide can continue to affect climate for thousands of years.

    Climate Change/Global warming
    Get environmentally aware!

    We do not have Planet B!!
    Environmental conservation matters!

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    You are a PlanetHero!

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