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Climate Models, Globe’s Oceans Put Stamp on Earth Day

Climate Models, Globe’s Oceans Put Stamp on Earth Day

For the stamp collector in search of an accurate portrayal of the globe’s oceans, look no further than the new U.S. Postal Service international Forever stamp. Released to commemorate Earth Day, the stamp features a snapshot of how high-tech climate models depict oceans. The Postal Service has a citizen advisory committee (who knew?) that looks fo… Read More

‘Oldest Living Things in the World’ Tell a Tale of Climate

‘Oldest Living Things in the World’ Tell a Tale of Climate

The spindly trunk of a Norway spruce reaches above the lichen-covered rocks. Nothing about the tree is remarkable aside from it being the only thing to reach more than a foot feet off the ground on a windswept plateau. Yet Rachel Sussman traveled the roughly 3,500 miles from her Brooklyn studio to western Sweden to photograph it. Its age is what d… Read More

April Will Be First Month With CO2 Levels Above 400 PPM

April Will Be First Month With CO2 Levels Above 400 PPM

April will be the first time in human history where levels of atmospheric carbon dioxide were higher than 400 parts per million for an entire month, one scientist who monitors the levels said. And they could stay above that mark into July. Carbon dioxide concentrations, as measured at a site atop Hawaii’s Mauna Loa volcano since 1958, surpassed… Read More

Hot West, Cold East May be the Norm as World Warms

Hot West, Cold East May be the Norm as World Warms

The split personality of this winter’s weather in the U.S. appears to have been thousands of years in the making. The big driver behind the frigid-East and warm-West divide was a kinky jet stream, a pattern that arose 4,000 years ago. While natural variations have controlled its wanderings to date, climate change could make the duality we saw this … Read More

U.S. State Department Delays Keystone XL Decision

U.S. State Department Delays Keystone XL Decision

The U.S. State Department is delaying its decision on whether to approve the controversial Keystone XL Pipeline to give federal agencies more time to review the proposal. The delay could push the Keystone XL decision beyond the November midterm elections.… Read More

U.S. GHG Emissions at Lowest Level in 20 Years

U.S. GHG Emissions at Lowest Level in 20 Years

U.S. greenhouse gas emissions declined 3.4 percent in 2012 from 2011, the Environmental Protection Agency announced Tuesday. Those emissions are down 10 percent from what they were in 2005, the EPA said. Most of the decline came from reductions in energy consumption, increased fuel efficiency of cars and other types of transportation, and a shift… Read More

Huge Methane Leaks Add Doubt on Gas as ‘Bridge’ Fuel

Huge Methane Leaks Add Doubt on Gas as ‘Bridge’ Fuel

A study published Monday adds to the growing evidence those escaping gases, called "fugitive" emissions, are numerous, especially methane emissions while a well is being drilled, a phase of well development previously thought to emit little if any methane. Methane is about 35 times as potent as a climate change-driving greenhouse gas than carbon di… Read More

March Was 4th Warmest on Record Globally

March Was 4th Warmest on Record Globally

March 2014 was the fourth-warmest March on record globally, according to recently released NASA data, making it the 349th month — more than 29 years — in which global temperatures were above the historic average. The planet’s average March temperature was 57.9°F — 0.7°C (or 1.2°F) above the average temperature from 1951-1980 — behind only the… Read More