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Climate change – Analysis and Comment

At one climate change conference after another, leaders of the developed democracies solemnly pledge action, then return to the gridlock of political systems with 19th-century origins. EPA/COP20

Hidden crisis of liberal democracy creates climate change paralysis

Even as the challenges of climate change grow ever more obvious, what remains largely unacknowledged is the crisis in liberal democratic politics that is preventing an effective response.
To save wildlife we’ll need to intensify our resource use to leave space for conservation. Mkimemia/Wikimedia

An ecomodernist’s manifesto: save wildlife by embracing new tech

With increasing human pressure on the environment, how can we save wildlife while lifting people out of poverty? A new manifesto argues for using technology to intensify energy and agriculture.
Climate models show Sydney could get drier or wetter. Which scenario do we choose when making decisions? Joel Carrett/AAP

Warmer, wetter, hotter, drier? How to choose between climate futures

Depending on what model you use, climate change could make Sydney a little bit warmer, much hotter, wetter, or drier. Which one should we use? When it comes to planning for climate change, it’s important to look at all the possible futures.
The US proposes to meet its climate targets through regulation, including reducing carbon emissions from coal power plants by a third below 2005 levels. Cathy/Flickr

How the US’s post-2020 climate target could fit into a global deal

The United States’ post-2020 climate target raises many questions for this year’s global climate talks, and puts pressure on Australia to raise the stakes.
BP’s energy outlook would make it difficult to keep warming below 2C. EPA/BERND THISSEN

BP’s extreme climate forecast puts energy giant in a bind

BP’s Energy Outlook report forecast an increase in fossil fuel use by a third. That would make it difficult to keep warming below 2C.
In the Anthropocene, human-driven forces are shaping the planet in ways that may risk the collapse of human civilisation. Damián Bakarcic/flickr

Anthropocene raises risks of Earth without democracy and without us

The Anthropocene, as an epoch of human-driven planetary change, poses huge environmental and political problems. But it could also force us to develop proper ecological and democratic accountability.
Antarctica’s Brunt Ice Shelf photographed in October 2011 from NASA’s DC-8 research aircraft during an Operation IceBridge flight. Michael Studinger/NASA

Shrinking of Antarctic ice shelves is accelerating

Researchers find that ice around Antarctica shrank quickly last decade, raising concerns over this buttress against melting land-based ice and future sea-level rise.
Tracking the world’s efforts to reduce greenhouse gases.

Paris 2015 climate summit: countries’ targets beyond 2020

In the lead up to climate meetings in Paris at the end of the year, countries will release draft targets - the framework of a possible global climate deal. Follow our interactive map as we track these targets.
It’s hard to know for sure what role climate change played in the intensity of Cyclone Pam. AAP Image/Dave Hunt

FactCheck: is global warming intensifying cyclones in the Pacific?

A causal relationship between cyclone behaviour and anthropogenic global warming is a very real possibility. But most climate scientists hesitate to attribute any single event to global warming.
Australian has moved swiftly to fly relief aid and personnel to Vanuatu but has been less responsive to Pacific Islanders’ pleas to act on climate change. AAP/Dave Hunt

Vanuatu disaster exposes limits of Australian internationalism

While Australia’s leaders express concern for the people of Vanuatu, the welfare of poor states is a commitment from which Australia is walking away.
The sea level has gone up about half of a foot since the 1960s on the southern Florida coast, making floods after storms more frequent. siralbertus

Rising seas bring heavy burden to Florida coastal economy. Can it adapt?

Florida’s coastal populations and its economy face serious threats from rising sea levels caused by global climate change. The state’s response could set an example for other nations around the world.