OP-ED: Letting Nature Take Its Course?

Is sustainability still possible? Yes. Is it still probable? No. With bold action today, tomorrow, and in years to come, we could succeed in creating a sustainable and prosperous society. But what does bold action actually mean?

International Carbon Markets Expanding but Still Contentious

Nascent carbon emissions-trading exchanges in several countries are increasingly looking at options to interlink with one another, which advocates say would offer investors long-term stability, increase revenues for the development of renewable energy and strengthen corporate support for climate policy.

Winter Athletes Call for Action on Climate Change

After another winter of erratic and disappointing snowfall, 75 of the U.S.’s top professional winter athletes are calling on President Barack Obama to take stronger measures to curb climate change.

U.N. Chief Singles Out Monaco for Raising Climate Awareness

When Secretary-General Ban Ki-moon visited Kiribati in 2011, he had "an unexpected insight" into the fear that stalks the Pacific Island nation.

OP-ED: Falling Gasoline Use Means U.S. Can Just Say No to New Pipelines and Food-to-Fuel

Freeing America from its dependence on oil from unstable parts of the world is an admirable goal, but many of the proposed solutions - including the push for more home-grown biofuels and for the construction of the new Keystone XL pipeline to transport Canadian tar sands oil to refineries on the U.S. Gulf Coast - are harmful and simply unnecessary.

Subsidies Play “Significant Role” in Climate Change, IMF Says

The International Monetary Fund (IMF) is urging national governments around the world to roll back or eliminate subsidies on petroleum-based energy sources, estimating that this alone could result in a 13-percent decline in global carbon dioxide emissions.

Killer Heat Waves and Floods Linked to Climate Change

Killer heat waves, floods and storms are increasingly caused by climate change, new research reveals.

Biofuels Converting U.S. Prairielands at Dust Bowl Rates

The rush for biofuels in the United States has seen farmers converting the United States' prairie lands to farms at rates comparable with deforestation levels in Brazil, Malaysia and Indonesia – rates not seen here since the Dust Bowl of the 1930s.

Q&A: Venerable Sierra Club Gets Radical on Tar Sands

The term “civil disobedience” takes its roots from an 1849 essay by U.S. poet, philosopher and environmentalist, Henry David Thoreau, originally entitled “Resistance to Civil Government”.

Thawing Permafrost May Be “Huge Factor” in Global Warming

Thawing permafrost is emitting more climate-heating carbon faster than previously realised. Scientists have now learned that when the ancient carbon locked in the ice thaws and is exposed to sunlight, it turns into carbon dioxide 40 percent faster.

Energy, Economy Key in Major Obama Address

In a major annual address Tuesday night, President Barack Obama offered further details on a broad and ambitious range of policy priorities, taking advantage of perhaps his single most significant opportunity to guide the public conversation on his second-term agenda.

U.S. Environment Agency Releases First Climate Adaptation Plan

For the first time, the U.S. Environmental Protection Agency (EPA) has publicly released a draft plan on how the department’s programmes will adapt to global warming, in a move that could lay additional groundwork for important new emissions rulemaking the agency may announce in coming months.

U.S. Missing Goal on Critical Emission Cuts

Environmentalists here are warning that the United States is not on track to meet a target of a 17-percent reduction in carbon emissions by 2020, despite President Barack Obama’s stated commitment.

OP-ED: Weird, and Getting Weirder

Weird is the only way to describe January temperatures whipsawing between record warm and arctic cold over a span of a few days. Experts say that is what climate change looks like: weird, record-shattering weather.

Experts Fear Collapse of Global Civilisation

Experts on the health of our planet are terrified of the future. They can clearly see the coming collapse of global civilisation from an array of interconnected environmental problems.

U.N. Aims at Sustainable Energy for All by 2024

When the General Assembly wound down its 67th session in late December, it underscored the key role for energy in the U.N.'s post-2015 economic agenda by declaring 2014-2024 the "Decade of Sustainable Energy for All".

More Aging U.S. Coal Plants Hit the Chopping Block

Georgia Power, a subsidiary of Southern Company, one of the largest utilities in the U.S. south, plans to retire 15 coal and oil-fired energy generating units at four different plants, in the latest sign that a national campaign against coal is gaining traction.

OP-ED: Climate Inaction Is a Clear Failure of Democracy

Around the world, 2012 was the year of extreme weather, when we unequivocally learned that the fossil fuel energy that powers our societies is destroying them. Accepting this reality is the biggest challenge of the brand new year.

Guyana Hits Paydirt on Low Carbon Development Path

Imagine Guyana and Dominica without forests and rivers, or Antigua, Barbados and St. Lucia without beaches.

Frolic Barefoot, But Don’t Leave a Carbon Footprint

As the world’s most tourism-dependent region, with the sector accounting for one in every eight jobs, the Caribbean has much to fear from climate change.

At the Edge of the Carbon Cliff

The most important number in history is now the annual measure of carbon emissions. That number reveals humanity's steady billion-tonne by billion-tonne march to the edge of the carbon cliff, beyond which scientists warn lies a fateful fall to catastrophic climate change.