Robert Redford, leading man, acclaimed director and ardent conservationist, has become an American father figure, and this week as we approach Father’s Day, he’s speaking dad-to-dad to President Obama.

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Carbon dioxide in the atmosphere is hovering at a landmark 400 parts per million, a level never before experienced by human beings. Scientists say we’re playing with fire, risking the planet’s future if we don’t start to lower the greenhouse gas levels forcing climate change. How should we react to this news? First, we need to envision climate change more accurately, as a deadly threat.

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Hurricane Sandy’s attack on the New Jersey and New York coastlines was no freak of nature, according to a new report. The hurricane’s unusual westward turn was precipitated by extreme ice melting in the Arctic, revealing an ominous new pattern for hurricanes to come.

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While climate change doesn’t cause hurricanes, Hurricane Sandy seems to have provided a near textbook demonstration of how global warming can worsen them.

Here are a few excerpted remarks from scientists explaining how that works.

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If you don’t hear the words “climate change” in the dialogue about Hurricane Sandy just yet, wait for it. Today, people in the storm’s path are either bracing for the Monday evening surge or busy evacuating to higher ground.

But tomorrow expect to hear “climate change” invoked in Sandy’s aftermath, because this Frankenstorm is exactly what scientists have been warning about for many years.

OK skeptics, yes, hurricanes happen. But this one has been supercharged by warming oceans and will come ashore with an assist from rising ocean levels.

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Dunno how we missed this one, but last month a major re-check of American sentiment on climate change found that a whopping 74 percent — despite all the jokes and dissembling haunting the official dialogue on the topic — think that climate change is “affecting weather in the United States.”

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Norway has announced plans to nearly double its carbon tax on the nation’s offshore petroleum sector to create a £1 billion fund to help combat the effects of climate change, including in developing nations. In a draft budget released this week, gov…

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Scientists studying the record loss of Arctic sea ice this summer say it could be game over for the frozen North Pole within “a decade or two.”

Sea ice declined more than ever this summer, signaling that the ice cap at the North Pole may vanish within "a decade or two" according to scientists.

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July 2012 was the hottest ever on record for the contiguous United States, according to the National Oceanic and Atmospheric Administration (NOAA).

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Columbia University scientists say that technologies to extract carbon dioxide from the air will likely become a critical part of any strategy to stabilize the global climate and should not be abandoned because of high costs. Writing in the Proceedings…

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Signs of global warming have hit Greenland hard this year, with 97 percent of the ice sheet surface experiencing thawing by July 12, according to NASA.

Satellites revealed extensive, sudden surface melting in Greenland in mid-July 2012 (Image: NASA)

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The first half of 2012 was the hottest Jan-June period in the contiguous US states since record-keeping began 118 years ago, according to the National Oceanic and Atmospheric Administration (NOAA)*.

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