How to transform sinking cities into landscap...

After decades working in technology across both the US and China, Alvin W. Graylin sees three possible paths for the future of AI: one where tech giants create a class of trillionaires, one where competition escalates into war or one where humanity builds and shares this technolo ...  Show more

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 beh ...  Show more

Sponge cities use natural features to slow down, soak up and reuse flood water. Yu Kongjian nearly drowned as a boy when his village flooded, but it inspired him to come up with the sponge city concept. It’s now being rolled out across China. In Singapore too, parks and lakes are ...  Show more

Almost 60% of the world’s population live in cities. And this trend is expected to continue - by 2050 nearly 7 of 10 people will live in urban environments.  Although more than 80% of global GDP is generated in cities, there are challenges: increasing carbon emissions and environ ...  Show more

Mexico City is in a water crisis. Despite rains and floods, it is running out of drinking water.

To solve the scarcity issue, the city began piping water in from far away as well as from aquifer below ground, creating yet another problem: the city began to sink as the ...

Giant engineering projects didn’t solve all of Chicago’s water woes. Intense rainfalls are dumping more water on the city, resulting in more flooding. This despite about $4 billion in spending on one of the most expensive public works projects in the nation’s history. So what can ...  Show more