AAP Image/Keri Megelus
Al Gore's trip to Australia this week is the latest in a long line of visits - and not just because he has movies to promote.
Los Angeles Police Chief Charlie Beck, left, and Mayor Eric Garcetti pose next to an all-electric car in this 2015 photo.
AP Photo/Nick Ut
More than 200 mayors have committed their cities to stick with the Paris climate deal no matter what the US does. Electric vehicles offer a promising route to making good on that pledge.
The 2014 People’s Climate March in New York City.
Messaging for the April 29 People's Climate March is stressing collective resistance against President Trump. This theme may appeal to activists, but is unlikely to grow the movement.
The Greens are the party of climate action - but do they embrace enough technologies to get there?
AAP Image/Julian Smith
The Greens have successfully cast themselves as the party of climate science. But to hit their climate goals they may need to become even more radical, by embracing technologies like nuclear power.
A shifting focus of climate activists: leaving fossil fuel reserves in the ground.
Climate activists are shaping the political debate with a revised strategy that focuses on the environmental risks of fracking for oil and natural gas.
Prison to prosecco: the Heathrow 13 celebrate after avoiding jail time.
Stefan Rousseau / PA
Protesters could be tempted to add 'criminal damage' to trespass, thereby ensuring a more sympathetic trial by jury.
Environmental campaigners have employed an argument that they were forced into 'illegal' action but judges are still not buying it.
The games begin: satirising Christmas consumerism outside a French shopping centre.
The global activist escapades that make up the Climate Games remind us that climate politics isn't just confined to the United Nations summit in Paris.
Shoes in Place de la Republique - Climate of Peace #climat2paix. Photo taken by John Englart in Paris on November 29.
An analysis of social media shows climate activists have seized on the Paris climate talks to spread the word, but dialogue with oil and gas industry is absent.
Naomi Klein at the Canadian launch of her Leap Manifesto in September.
Naomi Klein has told the sidelines of the Paris climate talks that real climate action can't be delivered without social justice too.
Climate campaigners take to Sydney’s streets in 2009.
AAP Image/Dean Lewins
Thousands will take to the streets across the world ahead of the Paris climate summit - but how much difference have the past 25 years of climate marches made?
Hearing it from supporters: attendee at Clinton rally in New Hampshire expresses opposition to Keystone pipeline.
Hillary Clinton's opposition to construction of the Keystone pipeline has little effect in the short term but reflects building "supply side" strategy of environmentalists to limit fossil fuel development.
It’s easy to get overwhelmed by the size of the problem.
Climate change 'changes everything', says the writer Naomi Klein. The only way society can respond is to change itself - and that will need everyone on be on the same page instead of arguing about it.