The cedar tree, considered by many to be Morocco's national treasure, is coming under attack from climate change, greedy humans who indulge in illegal logging, and monkeys.

The noble conifer Cedrus Atlantica covers about 134,000 hectares (330,000 acres) of the North African country. Although less well-known than its Lebanese cousin Cedrus Libani, the Moroccan cedar is still a potent symbol of national pride.

New carbon emissions standards that were proposed last year for coal-fired power plants in the United States would substantially improve human health and prevent more than 3,000 premature deaths per year, according to a new study.

The study, led by researchers at Syracuse and Harvard Universities, used modeling to predict the effect on human health of changes to national carbon standards for power plants. The researchers calculated three different outcomes using data from the Census Bureau and detailed maps of the more than 2,400 fossil-fuel power plants across the country.

Our lust for electricity is insatiable. At night we connect a hydra of wires to our phones, computers, smartwatches and tablets. They sip at the electrons being pumped into our homes, filling their batteries to be ready for another day without being tethered to a wall. Tesla wants your house to be ready. Ready for power outages and heat waves. The company says its Powerwall home battery system can untether your home from the power grid for a few hours, which might not sound like much, but could have huge implications for the way we power our lives.

Tesla CEO Elon Musk introduced the Powerwall at his company's design studio in Southern California. He said it's a "whole integrated system that just works and is connected to the internet." The battery packs are lithium-ion cells with a liquid thermal-control system. Powerwall -- which Tesla has been testing with select customers for a year -- connects to the internet so it can track power usage and share that information with utilities.

About one in six species now alive on the planet could become extinct as a result of climate change, according to a study edition of the journal Science.

If present trends continue, the Earth’s temperature will wind up 4.3 degrees Celsius higher than it was before the onset of the industrial era. Should that scenario come to pass, as many as 16% of species around the world would be at risk of dying out, the study says.

The combination of global warming and shifting population means that by mid-century, there will be a huge increase in the number of Americans sweating through days that are extremely hot, a new study says.

People are migrating into areas — especially in the Southeast — where the heat is likely to increase more, said the authors of a study published Monday by the journal Nature Climate Change. The study highlighted the Houston-Dallas-San Antonio and Atlanta-Charlotte-Raleigh corridors as the places where the double whammy looks to be the biggest.

He often speaks to an empty chamber, unheard and unheeded by his colleagues. 

But Senator Sheldon Whitehouse is America's climate soothsayer, repeatedly imploring global warming skeptics to "wake up" and stop courting environmental catastrophe.

The heat is stifling, the soil dry as a bone, and a new law in drought-stricken California restricts sprinklers.

But far from saying farewell to their beloved lawn, some Californians are coping with the drought by... painting it green.

Audi has begun production of a synthetic diesel fuel made from water, carbon dioxide, and hydrogen. Unlike fossil fuels, which release additional carbon into the atmosphere, Audi’s “e-diesel,” which is being produced at a plant in Dresden in conjunction with the German alternative energy company Sunfire, has a net-zero carbon footprint because it is made with carbon dioxide taken from the air.

It’s not the first carbon-neutral fuel, but it’s being hailed by the German government, which provided support for the plant, as an important milestone in the movement for cleaner energy.

Off the coast of Western Australia, three big buoys floating beneath the ocean’s surface look like giant jellyfish tethered to the seafloor. The steel machines, 36 feet wide, are buffeted by the powerful waves of the Indian Ocean. By harnessing the constant motion of the waves, the buoys generate about 5 percent of the electricity used at a nearby military base on Garden Island.

The buoys are a pilot project of Carnegie Wave Energy, a company based in Perth and listed on the Australian Securities Exchange. In late February, the buoys started supplying 240 kilowatts each to the electricity grid at HMAS Stirling, Australia’s largest naval base. They also help run a desalination plant that transforms seawater into about one-third of the base’s fresh water supply.

After improving energy efficiency, piloting emissions trading and ramping up renewable energy expansion, China has also been moving on another frontier needed to help ease global warming.

According to a study published recently in the journal Nature Climate Change, the total amount of carbon stored in all living biomass above the soil has increased globally by almost 4 billion tons since 2003, with China contributing in a notable way to the increase.