Ethiopia is struggling from its worst drought for 30 years with millions in dire need of life saving aid, U.N. Secretary-General Ban Ki-moon warned Sunday.

At least 10.2 million people need food aid in Ethiopia, a figure the U.N. has warned could rise sharply, as "forecasts indicate that it could double within months" casting a fifth of the population into hunger.

World Heritage-listed forests whose origins pre-date the age of the dinosaurs are being destroyed by raging Australian bushfires, with conservationists increasingly fearful they could be lost forever.

Firefighters in Tasmania -- a state south of the mainland known for its cooler temperatures -- have been battling bushfires for 18 days, with 95,000 hectares (234,750 acres) of land burnt so far, authorities said Friday.

Victims of Hungary's worst ever toxic spill, which killed 10 people and injured 150 in 2010, voiced outrage after the boss of the alumina plant that caused the disaster was cleared of any wrongdoing on Thursday.

Zoltan Bakonyi, the former director of the MAL alumina plant in Ajka, and 14 employees were acquitted of charges of negligence, waste management violations and damages to the environment.

Bolivia’s second largest lake has disappeared, displacing hundreds if not thousands of people who depend on it for their livelihoods. 

Lake Poopo was officially declared “evaporated” last month in what scientists have said serves as a warning about climate change. 

Going green by switching to renewable sources of electricity could be good business for the U.S., according to new research.

A report by researchers at the Lawrence Berkeley National Laboratory in California says that cutting greenhouse gas emissions meant that the U.S. as a whole was $2.2 billion better off in 2013.

One person was killed on Tuesday in a mudslide at a laboratory of France's national nuclear waste management agency in the northeast of the country, the emergency services said.

Another person suffered minor injuries in the incident at Bure near Nancy.

Tens of millions of trees in California are now at risk because of sustained drought, according to new research.

And a different study in a different journal foresees a parched future for the evergreen forests not just in the Golden State but in the entire U.S. southwest.

Denmark produced 42% of its electricity from wind turbines last year according to official data, the highest figure yet recorded worldwide.

The new year-end figures showed a 3% rise on 2014, which was itself a record year for Danish wind energy generation.

Climate scientists are predicting that 2015 will be the hottest year on record “by a mile”, with the increase in worldwide average temperatures dramatically undermining the idea that global warming has stopped – as some climate-change skeptics claim.

Even though there are still several months left in the year to gather temperature readings from around the world, climate researchers believe nothing short of a Krakatoa-sized volcanic eruption that cuts out sunlight for months on end can now stop last year’s record being beaten.

It is the first major meeting of politicians and business leaders since 195 nations struck a landmark deal to limit carbon emissions in Paris in December.

Thousands of luminaries have come to a Swiss ski resort to unpack the opportunities and challenges of the future. ‘Mastering the Fourth Industrial Revolution’ is the theme meant to guide high-powered panel sessions.