OCW
Why I want to bring lions back to my village
As a child in rural Kenya, conservationist Seif Hamisi fell asleep to the sound of lions outside his village. Today, the lions are gone, mirroring a continent-wide trend: African wildlife populations have plummeted in recent decades, despite billions spent to protect nature. Drawing on examples of s..
TED
Are you spending your money wisely?
Drawing on his experience negotiating million-dollar deals for global brands, procurement expert Wolfgang Schnellbaecher distills the tricks of the world's best buyers into three simple rules to help you make the most of your money.
TED
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
