Environment
Lakes are losing winter ice cover at an astonishing rate
Fewer lakes are freezing over each winter compared with past years, posing environmental and economic consequences around the world
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Fewer lakes are freezing over each winter compared with past years, posing environmental and economic consequences around the world
The US Department of Homeland Security is trialling chemical sensors that detect the first whiff of smoke in the air and alert fire crews while a potential blaze is still smouldering