As the Republican nominee for president, Mitt Romney is far more apt to talk about oil drilling than energy-efficient cars. He has presented a plan to open up more land and coastline to oil and gas drilling, grant speedy approval to the Keystone pipeline to transport crude oil from Canada to the United States, end wind and solar power subsidies and curb regulations that discourage burning coal for electricity. It is an agenda far different than the one he outlined in his early days as governor.  More »

The Green blog is taking questions on an unresolved area of climate research: whether clouds will blunt, or amplify, global warming.  More »

New York City’s sustainability director and a green developer discuss how changes in zoning rules could speed the adoption of green roofs, renewable energy and energy-efficient features.  More »

Current federal rules do not take into account the long-term risks and environmental impacts of new pipeline routes, a report commissioned by the National Wildlife Federation argues.  More »

An official who spoke of seeking to “crucify” big polluters says that he does not want his remarks to distract people from the E.P.A.’s “important work.”  More »

Nine months into a year off the grid, a realization dawns that it’s not that hard. And then, there’s the unending natural beauty.  More »

The government is considering whether to open roughly 2.3 million acres of land in Colorado, Utah, and Wyoming to two controversial types of energy development.  More »

A short video pushes back against popular stereotypes of African men.  More »

An environmental writer examines the rift between green traditionalists and green modernists.  More »

Ministers meeting in London agreed to share technology on energy-efficient appliances, map the potential for solar and wind energy and bring modern lighting to two million people in India by the end of 2015.  More »

The effects of the shift from coal to natural gas will be felt for decades to come, a top executive says.  More »

After the release of a video by a Republican senator, an E.P.A. administrator scrambles to apologize for “offensive” remarks.  More »