Environment | The Guardian

The long-running series in which readers answer other readers’ questions considers a hot topic within renewable energy

This week’s replies: Are there places on Earth where humans haven’t been?

As Britain reached its hottest June temperature on record, readers recall the summer when temperatures hit 36C

The recent heatwave in the UK broke the previous June record of 35.6C, recorded

Finding that Norfolk butterfly has been distinct subspecies for 200,000 years could transform conservation approach

The endangered swallowtail butterfly Papilio machaon britannicus, which is only regularly found breeding in Britain on the Norfolk Broads, has been a distinct subspecies for at least 200,000 years, according to a study.

Smaller, darker in co...

By using websites copied from stores such as Aldi, fraudsters hope hot and bothered buyers will miss the red flags

With the UK heatwave expected to increase temperatures over the next week, you decide to invest in an air conditioning unit. But they are expensive, and

Cooling down has become political amid record highs, as experts say row is distracting from work of protecting lives

As the afternoon heat rose to a dizzying 41.7C (107F) in eastern Brandenburg on Sunday, taking German temperatures to unprecedented highs, Mario, 65, took precautions but did not panic. Two years ago, a fierce heatwave had prompted him to buy a powerful d...