Oil firms knew decades ago fossil fuels posed grave health risks, files reveal

Exclusive: documents seen by Guardian show companies fought clean-air rules despite being aware of harm caused…

Panic buttons and bulletproof vests: Fearful lawmakers stock up on protection

Earlier this year, the Massachusetts Office of Campaign and Political Finance received an unusual inquiry from…

BlossomWatch returns to celebrate ‘blissful’ colours of UK spring

National Trust aims to build on success of last year’s campaign and help lift lockdown gloom…

Will a British bioelectric hybrid plane really take off?

Boris Johnson set the goal, but the developers of the Beha had to get private investment…

Storm system triggers severe weather and tornadoes in US

A storm system crossing the central US has caused an array of severe weather across several…

Country diary: strawberry fields, gone for ever

Spring advances fastest on the southern edge of this parish, in sight of the tidal river…

Feeding cows seaweed could cut their methane emissions by 82%, scientists say

Researchers found cows belched out 82% less methane after putting small amount of seaweed in their…