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Gavin McCormick: Tracking the whole world's carbon emissions -- ...
What we know today about global greenhouse gas emissions is mostly self-reported by countries, and those numbers (sometimes tallied manually on paper!) are often inaccurate and prone to manipulatio...
Nili Gilbert: The crucial intersection of climate and capital | ...
The financial sector often talks of decarbonizing investment portfolios as a way to fight climate change. But portfolios can be "cleaned" without having any real impact on the problem, says investm...
Matt Walker: Are naps actually good for us? | TED Talk マットウ...
Afternoon naps are refreshing -- but could they be messing up our sleep cycles? Sleep scientist Matt Walker reveals the pros and cons of napping, plus tips on how to get the most out of your next s...
Jack Dangermond: An ever-evolving map of everything on Earth | T...
What if we had a map of ... everything? Jack Dangermond, a visionary behind the geographic information system (GIS) technology used to map and analyze all kinds of complex data, walks us through th...
Joshua Chu-Tan: The science of preserving sight | TED Talk Josh...
As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how y...
Al Roker, Al Gore, David Biello and Latif Nasser: The science of...
Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disrupti...
Matt Walker: The surprising health benefits of dreaming | TED Ta...
When you fall asleep and start dreaming, you're actually doing very important work. According to sleep scientist Matt Walker, dreams act like a form of "overnight therapy." In fact, your dreams may...
Matt Walker: What is melatonin -- and should you take it to fall...
Melatonin is the hormone that tells our brains and bodies it's time to sleep. But if you think melatonin supplements will significantly improve your ability to fall asleep and stay asleep, you may ...
Maria Van Kerkhove: How to end the pandemic -- and prepare for t...
We will get out of this pandemic, says Maria Van Kerkhove, the COVID-19 Technical Lead of the World Health Organization (WHO). The question is how fast -- and if we'll take what we've learned from ...
Francisca Mutapi: Africans should lead on health care solution...
TED Fellow and global health researcher Francisca Mutapi discusses how COVID-19 responses borrowed from the West created significant obstacles for other public health programs in Africa -- and make...
Sandrine Dixson-Declève: 5 keys to shifting to a well-being eco...
In 1972, the Club of Rome, an organization of thought leaders from around the world, published their first "Limits to Growth" report, a foundational text warning the world of the consequences of hu...
Jim Hagemann Snabe: Dreams and details for a decarbonized future...
As chairman of the world's largest maritime shipping company, Jim Hagemann Snabe thinks a lot about how goods get where they need to go and the impact their journey has on the planet. Leading the e...
Gowri Shankar: A king cobra bite -- and a scientific discovery |...
A king cobra has enough venom to kill 10 people in a single bite. Recounting his near-death experience after being bitten by one of these majestic yet deadly snakes, conservationist and TED Fellow ...
Matt Walker: 4 ways the COVID-19 pandemic changed the way we sle...
Have you been having weird dreams lately? For many people, that's just one of the ways the COVID-19 pandemic has altered their sleeping habits, says sleep scientist Matt Walker. From when to how mu...
Emma Bryce: Why do cats have vertical pupils? | TED Talk エマ・...
Peering into the eyes of different animals, you'll see some extraordinarily shaped pupils. House cats, for one, are twilight hunters with vertically elongated pupils. Many grazing animals, like goa...
Sophia Kianni: Language shouldn't be a barrier to climate action...
Most scientific literature is written only in English, creating an alarming knowledge gap for the 75 percent of the world who don't speak it. That's a big problem for climate change -- because it's...
Axel Reinaud: How biochar removes CO2 from the air -- and helps ...
Biochar is a kind of charcoal that removes CO2 from the atmosphere, helping yield healthy crops and even producing abundant renewable energy in the form of electricity as it's made. This exciting c...
Gabrielle Walker: What you need to know about carbon removal | T...
What do woolly pigs have to do with climate change? They're part of a vital, ingenious and evolving strategy to take carbon out of the sky and store it safely -- in trees, soils, the ocean, buildin...
Li-Huei Tsai: Could we treat Alzheimer's with light and sound? |...
What if we could use brain waves to treat Alzheimer's? Professor and neuroscientist Li-Huei Tsai details a promising new approach to artificially stimulate gamma brain waves using light and sound t...
Katie McGinty: Smart solutions to decarbonize buildings | TED Ta...
Buildings are bad news for the climate -- the indoor spaces we spend most of our lives in emit 40 percent of the world's greenhouse gases. Rethinking how to create and occupy the spaces we inhabit,...