OCW
The purity test that's killing clean energy
Why is it taking so long to finance the climate transition? After years working with the world's largest wealth funds and banks, finance innovator Riddhima Yadav has seen the same pattern: the climate movement is seeking perfection over progress, and starving the very industries that need to tr..
TED
The missing piece in climate action (it's not what you think)
When entrepreneur Yi Li cofounded Farmworks, she set out to build 1,000 climate-smart farms across Kenya, complete with dams, irrigation and organic fertilizers. The science was sound, but reality proved more complicated. Learn what she discovered about the missing ingredient behind failed climate s..
TED
The city that wasted nothing
400 years ago, Edo was on the verge of ecological collapse. Years of intense logging had led to massive deforestation and the city faced timber shortages, severe erosion, and frequent flooding. But over just a few decades, Edo became one of the most sustainable and efficient cities in history. So, h..
TED
How Japan saved its biggest city from collapse
400 years ago, Edo was on the verge of ecological collapse. Years of intense logging had led to massive deforestation and the city faced timber shortages, severe erosion, and frequent flooding. But over just a few decades, Edo became one of the most sustainable and efficient cities in history. So, h..
TED
Is the AI bubble about to burst?
We are living through what may be the largest economic bubble in history, spanning AI, cryptocurrency and tech company stocks, says financial analyst Henrik Zeberg. He explores why the current AI-crypto bubble mirrors the great economic frenzies of the past, revealing the psychological forces behind..
TED
Why are we demolishing homes during a housing crisis?
Every minute somewhere in Europe, a house is demolished — along with the memories and sense of community it holds, says architect Olaf Grawert. Exposing the human and environmental cost of demolition for profit, he highlights a bold alternative that could address the growing housing crisis. Learn ..
TED
