Says the United Nations Department of Economic and Social Affairs.

Today is Earth Overshoot Day, but it's not exactly something we should be celebrating. It's actually a wakeup call for humanity.

Concerned about the overpopulation of our planet and the effect it has on wildlife? Perhaps it's time to talk about the most effective form of male contraception.

In a double breakthrough, scientists find a material four times more efficient at making hydrogen by photocatalysis and demonstrate how to make it at low temperature

One of the UK's "Big Six" energy companies has gone a dark shade of green.

In anticipation of a new retrospective at the Whitney, "Buckminster Fuller: Starting with the Universe, " Elizabeth Kolbert writes in the New Yorker, quoting Fuller about the need for innovation:

Allison Arieff reviews the Buckminster Fuller retrospective at the Whitney. She writes "His brain was constantly consumed with the serious issues of his day —

The recycling industry is in a state of panic, hit by two forces beyond its control. The first problem is the economy (go figure). Demand for consumer products is down; retailers are focusing on price versus value. China (the

Combining computer-aided parametric design and the design principles of tensegrity (tensional integrity), this experimental pavilion tests the boundaries of building a stronger structure with less material.

First we have to declare 'peak livestock', then eat less beef and more beans.

If you've trained a dog well, then you'll probably be fine when it comes to raising infants and young children.

A satellite that ran out of fuel two years ago is now giving scientists a huge wealth of data.

Now we'll be able to see air pollution information along with city maps.

Making sure the water you're about to drink is free from pathogens is a snap with this portable UV Purifier.

A new cheap, lightweight sponge-like gel can quickly and efficiently disinfect drinking water for disaster victims.

One solution for purifying water in remote off-grid areas comes in the form of a wagon, complete with solar panel and water purification system.

The ÖKO Odyssey water bottle actually has six functions!

California has been going through a drought for about 3 years now, with 2013 being the driest year on record.

National almond, walnut and pistachio crops are very thirsty, and predominantly grown in drought-stricken California; if you’re looking for alternatives, consider these.

Radioactive uranium occurs naturally in soils but farming techniques may be causing it to dissolve into groundwater

This ambitious goal is all the more remarkable because NIPSCO is currently 65% coal dependent.

Burning fossil fuels puts out a lot more than just CO2.

A Toronto city councillor is going to try.

Why are we wasting such a valuable resource? Where will it come from if we don't drill for natural gas?

A 1.5-degrees-Celsius warmer world would bring bigger gusts of wind more regularly.

Hear me out...

You might want to rethink that dream house by the ocean.

This man wants to prove a point about rising global carbon dioxide levels by locking himself inside this DIY greenhouse for the next three days.

More carbon in the air means less brainpower.

Along with climate-killing CO2, there are a lot of people-killing pollutants. Perhaps we should change our message.

Trump would rather keep humans out of the country than saltwater.

How can we be moving away from fossil fuels and spending billions on building pipes for them at the same time?

It is recommended in the UK to reduce obesity. I recommend it to reduce obnoxious smells and garbage.

These 7 sea-loving grandmothers are helping research an elusive venomous snake population.

In which we tackle one of life's more pressing queries.

Yet another example of the uncanny intelligence of our 8-armed overlords.

A lesson in what happens when the humans disappear.

George Monbiot wades into the meat-and-climate debate by explaining how 'ethically' raised meat is actually worse for the planet than those raised in confined spaces. It leaves omnivores in an awkward position.

Climate change has become an ethical issue in the eyes of the Danish Council for Ethics, which suggested last week that the government consider a tax on beef, and eventually all foods depending on climate impact.

Carbon dioxide continues as the main concern, but we ignore methane at our own risk

The director of the Stockholm Resilience Centre says it's a huge problem that meat is so "culturally embedded in Western societies."

Explaining climate science to kids is challenging, which is why clever animated videos can help.

The U.N. just came up with some climate change solutions, and none of them are "expect techy solutions to pull us out."

The monthly vegetarian gathering will also host policy makers to discuss various aspects of climate change.

Progress is being made. But the climate keeps unravelling.

A comprehensive look at why it is a problem, and who is fighting change.

A study from Stanford University reveals the interconnectedness of politics and the environment.

If you can't beat 'em, ship 'em. The state of Illinois is spending $2 million to ship invasive Asian carp back to China, where they're considered a delicacy. In Illinois, and the Great Lakes region, they're

This was an actual test. But only a test. Like those emergency tones you hear on your TV when a storm is approaching. Officials in Ontario, Canada, think the possibility of a live Asian carp invasion via truck is real. People

Great Lakes residents would be paying this off for 47 years ... but reaping the benefits for just as long.