We don't really know how much international migration will be prompted by climate change. But everyone agrees the issue is big - perhaps too big to resolve at the Paris talks.
Businesses representatives are out in full force at COP21.
Business has a significant stake in the Paris climate talks. Here's how companies will be shaping the agenda.
Rotten to the core. Can Paris help create a less wasteful food system?
The food on our tables is central to the #COP21 debate and any Paris agreement must help build a system that moves us a long way from our current habits.
Older people are politically active and have the talent and time to get more involved in addressing climate change. But in the US, they'll need some convincing.
James Hansen says currently proposed carbon pricing schemes won’t solve the problem.
Perrot Thomas/Place to B/Flickr.com
Former NASA climate scientist James Hansen has come to the Paris climate talks to push his radical alternative to current carbon pricing schemes.
Whose message will be heard?
The Paris Climate Conference must not be hijacked by big business and its allies in the world's media.
Climate change is not top of countries like Greece’s agenda right now. Maybe it should be.
Christophe Petit Tesson
COP21 is an opportunity for countries like Greece, Spain, Italy and Portugal to reinvent their economies along environmentally friendly and sustainable lines.
The world’s soils store four times more carbon than its plants.
A new bid to boost the amount of carbon stored in the world's soils has been launched at the Paris climate summit.
Xi Jinping doesn’t want to be the villain of Paris.
Etienne Laurent / EPA
Many developing nations are likely to support any motions China proposes at COP21.
Fair trade logo in coffee. The sustainability campaign mobilized business, but is it really enough?
Businesses are crucial to action on climate change but corporate social responsibility doesn't take us far enough or fast enough. Here's why.
Big promises: John Key addresses the COP21 opening session.
New Zealand Prime Minister won plaudits at COP21 for issuing a declaration against fossil fuel subsidies. But he has also effectively weakened his country's emissions target.
Prime Minister Malcolm Turnbull speaks at COP21 in Paris.
EPA/Christophe Petit Tesson
Australia will ratify the second period of the Kyoto Protocol - but what does that mean?
Vanuatu is among the countries calling for much more ambitious climate action.
A new bloc of 'vulnerable' countries has emerged at the Paris climate talks - perhaps heralding the end of the old rich-poor geopolitical divide.
Malcolm Turnbull addresses the opening of the Paris climate summit.
EPA/Christophe Petit Tesson
When newly minted Prime Minister Kevin Rudd rose to speak at COP13 in Bali in 2007 and announced that Australia would ratify the Kyoto Protocol, he received a standing ovation from the world community…
Nacho Doce / Reuters
The latest climate summit will avoid the real issue: capitalism demands exponential growth, driven by fossil-fuels.
World leaders gathering at COP21 should ditch old ideas about ‘climate equity’.
The sooner nations stop viewing emissions reduction as a burden to be shared, and more as an opportunity to be grasped, the sooner real climate progress will be achieved.
In diplomatic terms, COP21 already has "success" built in. But there is still lots of work to do to hit the two-degree global warming goal.
Nepal’s well-managed forests are a model for local climate action.
Navesh Chitrakar / Reuters
Success in dealing with common resources on a smaller scale proves it's not impossible to manage the biggest common resource of all – planet Earth.
Extreme weather is more common than ever.
Mohamed Alhwaity / Reuters
The scientific case rests on six key observations.
Just over 100 years before the Paris climate summit, the Eiffel Tower was the site of modern globalisation’s defining moment. On July 1, 1913, the first wireless transmission of a time signal integrated…