COP21

The US will become one of only three countries in the world not to take part, next to Syria and Nicaragua.

Trump has said a decision on the deal would come soon.

For 30 countries, renewable sources are already just as efficient as coal.

International efforts to tackle acid rain in the 1970s helped bridge international rifts, historian says.

'We need carbon neutrality by 2050,' said French president, Francois Hollande.

"The world's best chance of avoiding dangerous global warming are a climate trade war and rampant climate disobedience."

As Trump was elected, world officials gathered to discuss how we can stop the thing he claims isn't happening.

The new report says that current emissions predictions will see global warming rise to over 3C.

We must cut another 25% carbon emissions globally on top of Paris pledges, says UN report.

Sustainable businesses are well worth considering given they are now credible and profitable undertakings.

Theresa May faces renewed calls for Britain to ratify the COP21 accord.

Ban Ki-moon says the window for limiting temperature rise is fast closing.

Nations will meet in New York today to sign the Paris Agreement set out at COP21 last year.

Earth Day 2016 marked by pledge to plant 7.8 billion trees – one for each person on the planet.

A one-minute montage looking back at the most striking moments of 2015.

From climate change to obesity, these have a bigger impact on humankind than Daesh.

COP21 and the infamous two degrees Celsius. What happened in 2015 to prompt these big measures?

From the refugee crisis in Europe to the terror attacks in Paris, a recap of the biggest news stories of 2015.

It's hopefully heralding a more environmentally conscious and accountable country

President Obama thanked Indian Prime Minister for 'positive leadership' during UN Climate Summit.

DECC announces 65% cut on last day before Christmas recess.

Westwood and husband Andreas Kronthaler strip off in protest video to end ecocide.

While we recognise our responsibility to our family's future, we're blasé about future of humanity.

The battle for rational climate and energy policies has just begun.

Commodity sector has been struggling with falling prices with may hamper eco-friendly tech development.

'Historic' deal is best chance to 'save the one planet that we've got', US president says.

Nations across the world have agreed to prevent global warming from rising above 2C threshold.

Thousands of protesters have gathered at the Eiffel Tower to denounce the draft agreement

Critics say the COP21 deal is 'toothless' and will harm the vulnerable communities.

Final draft agreement at COP21 climate change summit released as global deal edges closer.