John Upton

John Upton is a former Grist news blogger. He tweets, posts articles to Facebook, and blogs about ecology.

Electric vehicles could stabilize grid, make money as batteries

EVs are now starting to store electricity and then sell it onto the power grid when energy prices are highest.

CO2 in atmosphere poised to blow past 400 ppm mark

In May, the atmospheric carbon dioxide concentration could exceed 400 parts per million -- way past the 350 level we need to be aiming for.

Venture capitalists are funding green food innovation

Silicon Valley investors are channeling money into food-related startups that aim to make agriculture more eco-friendly and food more healthful.

Keystone XL oil would be processed in sick East Texas community

Manchester, a Houston neighborhood, is where tar-sands oil piped through Keystone XL would be refined. The community has enough problems already.

Louisiana Senate kills a bill that tried to rein in dispersants

A bill calling for toxic oil dispersants to be used only as a last resort was quashed after the oil industry voiced its opposition.

We have known about climate change for 75 years

Global warming was originally known as the Callendar Effect, in honor of an engineer who discovered it in 1938.

Anthony Foxx, Charlotte’s transit-friendly mayor, tapped to be transportation secretary

Foxx has improved public transit in Charlotte, N.C., starting a streetcar project and extending light rail, and he's installed electric-vehicle infrastructure.

San Francisco and 10 other cities move toward dumping stocks in fossil-fuel companies

A divestment campaign pushed by 350.org is spreading from colleges to cities. Boulder, Colo., Eugene, Ore., and Ithaca, N.Y. are also on board.

Solar panels can protect you from terrorism

Rooftop solar systems could help keep the lights on after a terrorist attack on the power system, says the nation's top energy regulator.