Climate change
Climate change is a long-term change in weather patterns over decades or longer that is caused by both natural factors and human activities that increase greenhouse gas emissions. Greenhouse gases like carbon dioxide and methane trap heat in the lower atmosphere and at the Earth's surface, causing global temperatures to rise. The majority of carbon dioxide emissions come from burning fossil fuels for electricity, transportation, buildings, and industry as well as deforestation. If greenhouse gas emissions continue to increase, global average temperatures are projected to rise between 1-7 degrees Celsius by the end of the century, causing sea level rise and changes in weather patterns with consequences for plants, animals, and agriculture worldwide. Collective global action is needed to transition to renewable energy,
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Climate change
- 1. CLIMATE CHANGE
- 5. The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases , and is re-radiated in all directions. Since part of this re-radiation is back towards the surface, energy is transferred to the surface and the lower atmosphere. As a result, the temperature there is higher than it would be if direct heating by solar radiation were the only warming mechanism The G reenhouse E ffect
- 10. Farm Animals Release Methane From T heir Wastes
- 12. Deforestation
- 15. Why should we care? Global average temperatures are expected to increase by about (1-7°C) by the end of the century.
- 18. Help Save Earth
Editor's Notes
- These are two environmentalist who wants to pay attention to global warming.
- Global average temperatures are expected to increase by about 2-13°F (1-7°C) by the end of the century. That may not sound like a lot, so what’s the big deal? The problem is that small changes in global average temperature can lead to really large changes in the environment. Let’s look at some of the expected changes.