Gristmill

Politics

Al Gore, raising the heat on Obama, calls Keystone an “atrocity”

The former veep has been joining other Democrats in calling on the president to get moving on climate change and say no to Keystone XL.

Politics

Climate change 101 with Ernest Moniz: “Count.”

When a climate-skeptic congressman asked how we can be so sure that people are causing climate change, the energy secretary pointed to basic math.

No, we’re not running out of people

The world population is projected to soar from 7.2 billion today to 8.1 billion in 2025, so you can stop worrying about a shortage of babies.

Climate & Energy

Batteries included: New wind turbines and solar panels come with built-in storage

Solar and wind systems need batteries to store power for when the sun isn't shining or the wind isn't blowing. But why have two devices when you could have just one?

Climate & Energy

Feds, Arkansas sue Exxon over tar-sands spill

The Justice Department and the state of Arkansas want to make sure ExxonMobil pays up and cleans up after its pipeline spill in Mayflower, Ark.

Climate & Energy

Pipeline spills oil waste on more than 100 acres in Alberta

A five-year-old pipeline sprung a leak and spilled 2.5 million gallons of oily water, wiping out a wide swath of trees and vegetation -- and raising alarms yet again about pipeline safety.

Climate & Energy

Colorado city wants more than just a ban on fracking

Residents of Lafayette, Colo., are pushing a ballot initiative would prohibit all new oil and gas extraction and establish a far-reaching community bill of rights.

Food

Five pest species now immune to GMO corn and cotton

Bt crops are genetically engineered to contain a pesticide, but pests are increasingly developing immunity and munching away, a new study finds.

Climate & Energy

Colorado is burning as climate change extends wildfire season

The head of the U.S. Forest Service recently warned Congress that climate change is prolonging the annual wildfire season. Colorado is feeling the heat.

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