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lightning 1

Earth

Bolt from the blue: Lightning doesn't form like we thought

It happens somewhere on Earth 100 times a second, yet we don't know how or why. Peering into the hearts of thunderstorms is starting to illuminate lightning's mysteries

Features

Sprite lightning

Earth

Lightning round-up: The world’s weirdest electricity

Features

Pakistani town under flood water2010

Earth

It just got harder to deny climate change drives extreme weather

Comment

Heatwaves hit harder

Earth

Weather and climate extremes continue to set new records

News

Artic landscape with sea ice

Earth

Forget snow, rain will become main precipitation in the Arctic

News

Most people support action on climate

Earth

Most people don't know climate change is entirely human-made

News

Raindrops make soil bacteria take off and fly through air

Earth

Raindrops make soil bacteria take off and fly through air

News

Snow will melt more slowly in a warmer world – here’s why

Earth

Snow will melt more slowly in a warmer world – here’s why

News

snowflake 1

Physics

The pioneering snowflake photographs of a young obsessive

Regulars

Melbourne tram

Earth

Big cities warm up during the week as commuters flock in

People warm up large cities such as Melbourne and Sydney by an average of 0.3°C each week, and temperatures drop over the weekends

News

Earth

2016 confirmed as the hottest year on record

News

Earth

Mystery Antarctic circle means ice is melting from surface down

News

Earth

Extreme weather is behind record lows in butterfly populations

News

Earth

Super-cold winters in the UK and US are due to Arctic warming

News