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Climate change – Analysis and Comment

Is the water crisis in Flint, Michigan evidence that governments need a new way to make decisions? REUTERS/Carlos Barria

Society’s biggest problems need more than a nudge

When it comes to many of the big decisions faced by governments and the private sector, behavioral science has more to offer than simple nudges.
Tensions between cattle herders and crop-farming communities in Nigeria have escalated in the past few months. Reuters/Akintunde Akinleye

Nigeria faces new security threat fuelled by climate change and ethnicity

Escalating clashes between herders and farmers in Nigeria threaten the country’s national and food security. A response based on innovation, sustainability and political will is urgently needed.
In our image saturated world we are becoming inured to the iconography of “natural” disasters. Ed Keith/flicker

The poster is political: how artists are challenging climate change

It is hard for us to visualise the trends and processes of climate change, which are largely hidden. But posters - with their richly subversive history - are the perfect medium for prompting contemplation and action.
Demand is growing for statistical ecologists to research climate change. Rapidly growing mega-cities in Africa, like Lagos, face the highest risks. Reuters/Akintunde Akinleye

What’s on the to-do list for Africa’s statistical ecologists

Some of the most in-demand ecologists in Africa are specialists in statistics. But this is currently a scarce skill combination in Africa.
Coral Bleaching at Lizard Island on the Great Barrier Reef. © XL Catlin Seaview Survey

Great Barrier Reef bleaching would be almost impossible without climate change

This summer’s record-breaking coral bleaching on the Great Barrier Reef was made 175 times more likely thanks to climate change.
Australia’s mountains may be small but each year they deliver enough snow for winter sports. Andrew Watkins

When is it going to snow? Getting a fix on what can make a good season

Australia’s snow season is notoriously fickle - so what determines whether we’ll get a good fall?
Flooding in Houston, April 18, 2016. Laurence Simon/Flickr

Has climate change really improved U.S. weather?

Extreme weather has an outsized impact on everyday life. Focusing on average weather patterns may make Americans dangerously complacent about how climate change is already affecting our lives.
More than 160 nations will sign the Paris Agreement on its opening day – a record for a United Nations treaty. Aotearoa/Wikimedia Commons

The Paris Agreement signing ceremony at a glance

More than 160 countries are expected to sign the Paris Agreement in New York on April 22. But enough countries will also need to ratify the treaty domestically before it can become international law.