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How Climate Friendly is Bike Sharing? It’s Complicated

How Climate Friendly is Bike Sharing? It’s Complicated

There's a lot scientists don't know about how bike sharing programs encourage less driving, and less CO2 from being emitted from car tailpipes. But there's a big benefit to bike sharing: It's a "gateway drug" to all kinds of cycling, and that's a big climate benefit.… Read More

Keystone XL Will Spike Oil Demand and CO2, Study Says

Keystone XL Will Spike Oil Demand and CO2, Study Says

A new study published Sunday in the journal Nature Climate Change says the State Department may have underestimated the pipeline’s CO2 emissions by as much as four times because consumer demand for oil will rise as new crude oil coming on the market because of Keystone XL will drive global crude oil prices down, the study says. … Read More

For Canada, Tar Sands Are Bigger Than Keystone XL

For Canada, Tar Sands Are Bigger Than Keystone XL

If it is ever built, the Keystone XL Pipeline will exist for one reason: To move Canadian tar sands oil from remote Alberta to refineries in Texas. But for Canada, the story of the tar sands' future hinges on the great economic pressure the country is feeling to bring its vast reserves of crude oil to market.… Read More

See Power Plants Most Vulnerable to Flooding

See Power Plants Most Vulnerable to Flooding

The U.S. Energy Information Administration’s new mapping tool announced Wednesday shows how a flood could drown the some of the nation’s most critical energy infrastructure — power plants, oil and gas wells, solar power installations, and other infrastructure.… Read More

Waiting to Slash CO2 Emissions? It Could Cost You

Waiting to Slash CO2 Emissions? It Could Cost You

The cost of the U.S. delaying action on climate change by reducing carbon dioxide emissions could increase 40 percent each decade if no action is taken, according to a Council of Economic Advisers report released by the White House on Tuesday.… Read More

6 Degrees: Star Wars, Energy Ranks, Cool Pics & More

6 Degrees: Star Wars, Energy Ranks, Cool Pics & More

Find out what you missed in climate news this week in our 6 Degrees weekly roundup. … Read More

Court Ruling May Reverberate on ‘Social Cost’ of Carbon

Court Ruling May Reverberate on ‘Social Cost’ of Carbon

Greenhouse gas emissions from burning and extracting coal, oil and natural gas drive climate change, and as communities feel the effects of a warming world — rising seas, burning forests and withering crops — communities’ pocketbooks take a hit, too.… Read More

So You Think You Know Renewables? Take the Quiz

So You Think You Know Renewables? Take the Quiz

Shining solar cells, whirling wind turbines, massive dams and advanced geothermal heat pumps are all crucial pieces of infrastructure that currently generate renewable energy. And they'll likely play a big role in the future as the world looks to slash carbon dioxide emissions. But these seemingly new technologies each had humble beginnings many … Read More