Soil is second only to the ocean in the service it provides as a CO2 store. When in the ground, carbon enriches the soil and is good for the climate, but misuse of land has already led to the loss of large stores.
Many countries have heating systems that still run on coal, oil and gas. But relying on these fossil fuels to keep us warm through winter adds to CO2 emissions. So what are some of the climate-friendly alternatives?
Coal and other fossil fuels remain lucrative despite the fact that investing in them is becoming increasingly risky. That's one reason some banks and global funds are backing renewables. Is this the start of a rethink?
Huge bushfires have been burning in Australia for months. But the risk of severe wildfires is increasing everywhere. A look at the link between climate change and this devastating trend.
Burning fossil fuels to meet rising energy demand has pushed carbon dioxide emissions to a record high. Can innovation save us from global warming?
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