"Since his first homily in 2013, Pope Francis has preached about the need to protect the earth and all of creation as part of a broad message on the environment. It has caused little controversy so far."

"Democrats on the Senate Environment and Public Works Committee are urging their Republican colleagues to stop a bill aimed at improving scientific transparency at the Environmental Protection Agency (EPA)."

"Proposed 200-mile pipeline would ship North Dakota crude across U.S.-Canadian border".

"Facing a thicket of candidates and ballot measures in the November election, Florida voters sent one resounding message to elected officials: More must be done to protect the state’s natural habitats — including the long-suffering Everglades."

"One of congressional Republicans' major attempts to regain a say over water resources projects while maintaining their self-imposed earmark ban may have hit a brick wall."

An electric utility industry group this week released a report warning that EPA's "Clean Power Plan" to address climate change could hurt grid reliability. The report offers ammunition for the plan's opponents -- especially Republicans from coal-mining and coal-burning states. But a number of critics say the report's analysis is flawed.

"Congress on Tuesday passed a bill focused on improving energy efficiency in buildings and water heaters, a move celebrated by both parties for breaking longstanding partisan gridlock."

"House appropriators on Wednesday advanced a $35.4 billion bill that would fund energy and water development for fiscal year 2016." Democrats failed to remove GOP policy riders.

"Lawsuit helped force an update of emissions standards for dangerous chemicals that went unchanged nearly 30 years."

"President Obama used the backdrop of the Florida Everglades this Earth Day to highlight the dangers posed by a changing climate. He also took a swipe at Florida's Republican governor, who's been accused of discouraging state workers from discussing global warming."