"The World Health Organization greatly broadened its recommendations about sexual transmission of Zika virus Tuesday, advising both men and women who have been in Zika-affected areas to practice safe sex for at least six months."

"Congress is going down to the wire on a bill to rewrite federal energy policy."

"The United States lifted protection for most humpback whales around the globe on Tuesday, including some in American waters, based on evidence they have made a strong comeback since commercial whaling drove them to near extinction."

"Senate Majority Leader Mitch McConnell took the first procedural step on Tuesday evening towards advancing a $9.4 billion waterways bill that contains emergency funding for Flint, Mich."

"The top Republican and Democratic Senate leaders returned from their seven-week summer recess Tuesday and picked up where they left off in July -- harshly blaming the other's party for inaction on critical bills to battle Zika and fund the government."

"An American Indian tribe succeeded Tuesday in getting a federal judge to temporarily stop construction on some, but not all, of a $3.8 billion four-state oil pipeline, but its broader request still hangs in the balance."

"There is a new menace on America’s roads: diesel truck drivers who soup up their engines and remove their emissions controls to 'roll coal,' or belch black smoke, at pedestrians, cyclists and unsuspecting Prius drivers."

"Canadian pipeline company Enbridge Inc. on Tuesday agreed to buy Houston’s Spectra Energy Corp. in an all-stock deal valued at about $28 billion, creating a major North American energy-infrastructure company at a time when energy-industry operators continue to deal with the fallout from low oil prices."

"The Obama administration today finalized guidance documents outlining exactly how federal land managers will implement provisions in sweeping greater sage grouse conservation plans covering 67 million acres in 10 Western states."

"U.S. companies that have expressed the most fervent public support for President Barack Obama’s environmental agenda are also funding its biggest enemies - the scores of U.S. lawmakers who are climate change skeptics and oppose regulation to combat it, according to a Reuters review of public records."