The 15 floating solar islands will possess sunflower-like ability to turn to face the sun

Major action is needed to achieve zero net emissions by 2050. But it will make Britain’s economy cleaner, smarter and more efficient. We must not delay

Labor sets government Monday deadline to answer questions about $200m water purchases in 2017

Former PM warns electricity prices will be higher because the Coalition dumped the national energy guarantee

The founders of Extinction Rebellion dismiss claims that it is merely a product of the Gloucestershire town’s middle-class liberal elite

Time is running out for planet Earth, yet all our politicians can do is carp on about article 50

Met police draft in 200 extra officers to deal with Extinction Rebellion campaign in London

The wardens of Britain’s small islands on daily life with little more than thousands of puffins for company

From prehistoric cave paintings to buried nuclear waste, underground spaces record how humans have lived. To explore Underland means voyaging into the deep past – and raises urgent questions about our…

Group’s ongoing peaceful disruption in London is gaining it global attention and new members

I live in the new ultra-low emissions zone, so I’ll have to pay £12.50 a day. What should I do?

Too many yolks after baking? Make a mayonnaise, cure them in salt to grate like parmesan or crack them into this recipe for carbonara

Easter holiday, balmy weather and imminent arrival of Greta Thunberg galvanise support

Mating grouses, grousing mates, a final turtle and a newborn giraffe

Guardian picture editors select the best photos from the fifth day of climate protests in London

Extinction Rebellion might be mocked for unrealistic demands. Politicians, however, would be fools to dismiss them, says Guardian columnist Gaby Hinsliff

Eight in 10 trying to cut plastic waste and 46% feel guilty about it, survey shows

In our Guardian archive series this week, we have an image of horned cattle on the edge of the Howgill fells, photographed by Don McPhee

Experiment aims to learn how rainforest might respond to rising CO2 levels

Before I could register the danger, I felt a massive weight on my ribcage. It felt like a truck was driving over me

Protest puppetry, guerrilla gardening and talk of ‘climate justice’ will not win hearts and minds, warns the author and academic André Spicer

Scientists fear risks to wild Atlantic salmon populations if legislation to expand fish farms gets through the Icelandic parliament next week

Activists born after 1990 gather at main roundabout to highlight dangers of climate change

Climate change protesters face charges after railway line blocked near port