"A long anticipated El Nino has finally arrived. But for drought-struck California, it's too little, too late, meteorologists say."

The UN climate talks that will culminate in Paris in December are hard to follow. Here's help.

"Global action on climate change could cause insurers’ investments in fossil fuels to take a huge hit, says bank’s prudential regulation authority".

"The unique intergovernmental panel has forged scientific consensus on climate change by steering clear of hot-button issues. Will new leadership find a way to address the most critical issues for curbing global warming?"

"Scientists have witnessed carbon dioxide trapping heat in the atmosphere above the United States, chronicling human-made climate change in action, live in the wild."

"Secret documents leaked to Al Jazeera reveal a routine practice among intelligence agencies to seek the cooperation of their peers in other countries to curb political dissent."

"Shell has shelved plans for a major new tar sands mine in Canada, the largest project yet to fall victim to low oil prices."

"Fukushima fishermen appear to have finally run out of patience with Tokyo Electric Power Co. They lambasted TEPCO at a meeting on Feb. 25 over the utility’s failure for half a year to disclose the flow into the ocean of water contaminated with radioactive materials from the Fukushima No. 1 nuclear power plant."

"NEW YORK – Cleaning up widespread corruption in the water supply industry is crucial to avert looming water conflicts born of desperation, warns a new United Nations report based on case studies in 10 countries.

“In many places … corruption is resulting in the hemorrhaging of precious financial resources,” siphoning an estimated 30 percent of funds earmarked for water and sanitation-related improvements, the report states.

"India's Rajendra Pachauri quit as chair of the U.N. panel of climate scientists on Tuesday, ending 13 turbulent years in charge of the Nobel Peace Prize-winning group, after a sexual harassment complaint against him."