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this week... is it a boat or is it a plane? i'm onboard the ferry that can fly. why has nobody made an electric hydrofoil flying ferry before? i think the main reason is that it's freaking hard. we're in india, where solar dryers are battling food waste. and an eye in the sky on energy use. nice outfit, by the way. thanks. i've been taking the temperature with the world's thermometer to assess the climate impact of all our actions. stockholm, capital of sweden, and a city of islands, 1a of them to be precise, which makes water transport a big thing around these parts. so today i've d...

and at its cruising speed of 25 knots, narrow wings called hydrofoils, provide huge amounts of lift. in the same way that aircraft wings can get a plane off the ground, these wings can raise the whole hull above the surface. i've started to notice more and more boats and even windsurfs and kite surfs having these foils underneath the board, so the entire thing can lift out of the water. and because hardly any of the boat is having to push through the water, it doesn't need as powerful a motor. and that means there's something else that's very special about this craft. it's electric. ...

to keep it perfectly balanced. why has nobody made an electric hydrofoil flying ferry before? i think the main reason is that it's freaking hard. spencer laughs. over 70 countries have commitments to net zero targets. some are enshrined in law. others are goals laid out in policy. large companies have also made net zero pledges. but how do we know that they're being met? well, there's one company that might have the answer. satellites have been capturing images from space for decades. this is a radar one here. you've also got optical images like these. any cloud cover around and you ...