"SunEdison, which started out making chemicals and components for solar modules but grew into a giant of renewable energy, has filed for bankruptcy protection, the company said on Thursday."

"Earth Day isn’t just an occasion to make a tiny dent in the crises hitting our planet. It’s also a day to celebrate consumerism, as evidenced by my inbox, which is overflowing with marketers who want me to write about their products."

"The energy giant Kinder Morgan Inc. has pulled the plug on its controversial natural gas pipeline proposed through parts of Massachusetts and Southern New Hampshire, after failing to sign up enough utility customers and facing stiff consumer and political opposition."

"Renewable energy firm SunEdison filed for Chapter 11 bankruptcy reorganization Thursday in New York, punctuating a tumultuous period in which the company failed to deliver on energy projects it had promised and came under scrutiny for its financial reporting."

"Texas is one of the states leading the fight against the Clean Power Plan. If you ask almost any statewide office holder they'll tell you the plan is bad for the economy. ... It may come as a surprise then, that energy companies here are not as unanimous in their opposition. That's because Texas' energy sector is transforming rapidly."

"Officials from 18 oil-producing nations failed on Sunday to reach a deal to freeze oil production at current levels."

"Warren Buffett’s MidAmerican Energy Company plans to invest $3.6 billion in what would become the nation’s largest wind energy facility."

"Among firs and cedars high in the Sierra Nevada, scientists are using an array of instruments to monitor the health of the forest, measure the snowpack and track the water that melts and seeps into the soil. As they collect data, they’re taking snapshots of a landscape in the midst of major changes."

"Institutions managing $6 trillion in assets plan to back a call for U.S. oil major ExxonMobil to disclose the impact of climate change policy on its business, one of the organizers of the vote said on Tuesday."

"Fifty four large investors managing 1 trillion pounds in assets have launched a campaign to curb the use of antibiotics in the meat and poultry used by ten large U.S. and British restaurant groups."