Earthshot Prize: Prince William s environment finalists unveiled bbc.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bbc.com Daily Mail and Mail on Sunday newspapers.
Earthshot Prize: Prince William s environment finalists unveiled bbc.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bbc.co.uk Daily Mail and Mail on Sunday newspapers.
Then and now: Why deforestation is such a hot topic bbc.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bbc.co.uk Daily Mail and Mail on Sunday newspapers.
Then and now: Arctic sea-ice feeling the heat
By Mark Kinver
In our monthly feature, Then and Now, we reveal some of the ways that planet Earth has been changing against the backdrop of a warming world. The shrinking sea-ice in the Arctic is not only a sign of climate change, it is causing the planet to warm more quickly. This is because more sunlight is being absorbed by the darker ocean, rather than being reflected back into space.
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Arctic sea-ice plays an important role in controlling the planet s temperature, and any problem with this natural thermostat is a cause for concern.