In a blistering talk, Nobel Laureate Al Gore looks at the two main obstacles to climate solutions and gives his view of how we might actually solve the environmental crisis in time. You won't want to miss his searing indictment of fossil...

Fifteen years ago, Uruguay was experiencing an energy crisis brought on by its reliance on fossil fuels; today, the nation produces 98 percent of its electricity from renewable sources (and even exports extra energy to neighboring...

The key to revolutionizing the world's energy landscape may lie in an unlikely love story, says energy innovator Olivia Breese. She details the fateful marriage of a green electron and a water molecule -- a powerful source of...

Energy use can be confusing – I mean, how do you compare gasoline in your car to electricity piped to your house? That's why we made these things spud-tacularly simple.

Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.

The name "E. coli" is enough to strike terror into the stomachs of anyone who has experienced food poisoning. But some strains of this bacteria don't actually make you sick, and have turned out to be useful tools for bioengineers.

Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...

The UN's Intergovernmental Panel on Climate Change released the final part of its sixth assessment report. In it, they steer away from the gloom and doom and remind us of a future that's still remarkably possible.

Everyone loves bananas. But because banana trees die and grow back every year, researchers want to find ways to recycle all that biomass -- from bioplastic, to solar panels, to skateboards.

When it comes to cost, clean energy is bound to beat out fossil fuels, says technologist Ramez Naam. But the hesitancy to build amid the prevalence of "not in my backyard" campaigns is preventing the creation of our sustainable future....

The fossil fuel industry is a factory of fairy tales, says activist and School Strike for Climate organizer Luisa Neubauer. Tracing the industry's five-decade trickle of lies about climate science, she busts the myth that economic growth...

Actor and activist Jane Fonda discusses her frontline work fighting for climate action, including recent efforts to support climate-minded candidates running for office in the US and to break the fossil fuel industry's stranglehold on...

Why aren't more people investing in Africa's green energy? Environmental researcher Rebekah Shirley outlines the continent's immense potential for renewable power and calls for collaborative international investment -- and partnership --...

When the world goes fully electric, what happens to the cars, tools and livelihoods that rely on fossil fuels? Civil engineer and environmental sociologist Emily Grubert visualizes what a clean energy future will look like, outlining the...

Several crises are set to define the next century -- but journalist Aaron Bastani believes we have the technological ability to meet our biggest challenges and create unprecedented levels of prosperity for all. He shows how we could get...

Climate justice activist Vanessa Nakate sits down with former president of Ireland Mary Robinson for an enlightening, intergenerational conversation about the state of the climate crisis. Nakate paints a picture of life in her home...

In this video Paul Andersen explains how energy is used in chemical processes and everyday life. Students should understand that energy is neither created or destroyed but is converted. Most of the energy is delivered to our planet...

The best form of energy available to the world is energy reduction. In this video Paul Andersen explains how energy conservation and energy efficiency and be used to decrease energy during peak demand. Tiered and variable pricing, as...

So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it...

Since 1850, global average temperatures have risen by 1 degree Celsius. That may not sound like a lot, but it is. Why? 1 degree is an average. Many places have already gotten much warmer and if average temperatures increase one more...

We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and...

Alternative energy is great, but our infrastructure isn't exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.

As climate change accelerates, finding clean alternatives to fossil fuels is more urgent than ever. Social entrepreneur Vaitea Cowan believes green hydrogen is the answer. Watch as she shares her team's work mass producing electrolyzers...

Natsai Audrey Chieza is a designer on a mission -- to reduce pollution in the fashion industry while creating amazing new things to wear. In her lab, she noticed that the bacteria Streptomyces coelicolor makes a striking red-purple...