US expects China to cut emissions after a 'peak year'

The United States wants China to accept slow increases in its greenhouse gas emissions until it hits a "peak year," beyond which a real decrease must occur, US negotiator Todd Stern said Friday.

All the carbon counts

Cutting down forests for agriculture vents excess carbon dioxide into the air just as industrial activities and the burning of fossil fuels do. But whether policies to stabilize greenhouse gases in the atmosphere should include ...

Working on the railroad? Using concrete could help environment

Wood or concrete? Railroads around the world face that decision as they replace millions of deteriorating cross ties, also known as railway sleepers, those rectangular objects used as a base for railroad tracks. A new report ...

NYPD Goes Green

(PhysOrg.com) -- New York City has a goal to reduce its overall carbon footprint. For Manhattan, the goal is to reduce greenhouse gases 30% by 2017. As part of this effort, the New York City Police Department just added 40 ...

EPA finds greenhouse gases pose a danger to health

(AP) -- The Environmental Protection Agency concluded Friday that greenhouse gases linked to climate change "endanger public health and welfare," setting the stage for regulating them under federal clean air laws.

Mediterranean Sea temperatures match 2023 records

The temperatures of the Mediterranean Sea in recent days have reached heat records set last summer, the main Spanish maritime research center told AFP Tuesday, with marine heat waves in some places exceeding 30 degrees Celsius.

Why scientists are intrigued by air in NASA's Mars sample tubes

Atmospheric scientists get a little more excited with every rock core NASA's Perseverance Mars rover seals in its titanium sample tubes, which are being gathered for eventual delivery to Earth as part of the Mars Sample Return ...

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