Dot Earth Blog: Certainties, Uncertainties and Choices with Global Warming

Photo Mario Molina, a Nobel laureate in chemistry, uses this image representing a partially completed jigsaw puzzle to convey the state of understanding of human-driven climate changeCredit Mario Molina Steven E. Koonin, once the Obama...

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Dot Earth Blog: U.N. Climate Summit Harvests a Host of Commitments

Photo More than 100 heads of state, including President Obama, participated in a summit on climate change at the United Nations on Sept. 23.Credit UN Photo Photo United Nations Secretary General Ban Ki-moon recruited the actor Leonardo DiCaprio...

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Dot Earth Blog: On the Path Past 9 Billion, Little Crosstalk Between U.N. Sessions on Population and Global Warming

The United Nations and the streets of Manhattan are going into global warming saturation mode, from Sunday's People's Climate March through the Tuesday climate change summit convened by Secretary General Ban Ki-moon and on through an annual green-energy...

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Well: Artificial Sweeteners May Disrupt Body’s Blood Sugar Controls

Photo Researchers say gut bacteria changed in subjects that consumed artificial sweeteners, leading to glucose intolerance.Credit Weizmann Institute of Science Artificial sweeteners may disrupt the body's ability to regulate blood sugar, causing...

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Well: Artificial Sweeteners May Disrupt Body’s Blood Sugar Controls

Photo Sweeteners alter the microbiome, the population of bacteria that is in the digestive system.Credit Weizmann Institute of Science Artificial sweeteners may disrupt the body's ability to regulate blood sugar, causing metabolic changes that can...

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Dot Earth Blog: Wildlife Agency Seeks Educational Use For Crushed Ivory

As you may have heard, the United States Fish and Wildlife Agency and counterparts elsewhere, including in China and France, have been crushing tons of confiscated elephant ivory in the fight against elephant poaching. There are debates...

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Dot Earth Blog: Should Fin Whales Be a Source of Wonder or Meat?

Photo A fin whale surfaces near a Canadian whale-watching boat in the Gulf of St. Lawrence.Credit Andrew C. Revkin Here are two very different views of humans' relationship with the world's second biggest animal, the fin whale. Above is a special...

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Dot Earth Blog: Can Humans Get Used to Having a Two-Way Relationship with Earth’s Climate?

Earlier this summer, I was invited to write an essay on humanity's troubled relationship with the changing atmosphere for a special issue of Audubon Magazine centered on the Audubon Society's comprehensive new report on birds in a changing climate. ...

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Sinosphere Blog: Wealthy Chinese Travelers Lining Up to Blast Off

Photo Sheng Tianxing, a tea trader, bought a $100,000 ticket for a trip on a commercially operated flight to go 64 miles above Earth.Credit Qilai Shen for The New York Times One night in June, Sheng Tianxing made good on his name, which translated...

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Well: The Problem With Reclining Airplane Seat Design

The Well Column Tara Parker-Pope on living well. To recline or not to recline? That is the question now being hotly debated among air travelers after three flights were forced to land after passengers on board began fighting about reclining seats....

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Sinosphere Blog: Wealthy Chinese Travelers Lining Up to Blast Off

Photo Sheng Tianxing, a tea trader, bought a $100,000 ticket for a trip on a commercially operated flight to go 64 miles above Earth.Credit Qilai Shen for The New York Times One night in June, Sheng Tianxing made good on his name, which translated...

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Sinosphere Blog: Wealthy Chinese Travelers Lining Up to Blast Off

Photo Sheng Tianxing, a tea trader, bought a $100,000 ticket for a trip on a commercially operated flight to go 64 miles above Earth.Credit Qilai Shen for The New York Times BEIJING — One night in June, Sheng Tianxing made good on his name, which...

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Dot Earth Blog: Dynamic Planet: Under the Volcano in Papua New Guinea

Photo A family in Rabaul, Papua New Guinea, copes with the ash falling from the nearby volcano. This is one of many photographs taken in the threatened town by the French photographer Eric Lafforgue.Credit A caldera is the cauldron-like depression...

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