A self-described “whimsical scientist” locked himself in a small air-tight plastic foil tent with 200 plants to see if they could covert CO2 into oxygen fast enough to keep him alive.

Kurtis Baute sealed himself in a 3m by 3m plastic-wrapped biodome in his brother’s backyard in British Columbia, Canada, last week, but he announced his audacious plan to his YouTube fans, in August. He hoped to find out if by surrounding himself with plants, enough of the CO2 he breathed out could be converted into oxygen to allow him to survive in the sealed enclosure for at least three days. Unfortunately, he had to abort the experiment after only 15 hours, as CO2 levels reached a dangerous point where he risked suffering brain damage or even falling into a coma.

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Environmental organization 350.org has just kickstarted the world’s first global climate art project, where the Earth itself is the canvas for incredible artworks visible from space.

The worldwide exhibit includes sixteen art pieces in twelve different countries, but they all have the same purpose – raising awareness about climate change. Created just before world nations leaders gather in Cancun, Mexico, for the UN climate meetings, these giant artworks will catch the attention of everyone, including aliens, since they are visible from outer space.

Trying to get leaders to accept 350 parts per million as the target for stabilization of the concentration of carbon dioxide in the atmosphere, members of 350.org have organized the masses around the world into living works of art, visible from space. I’m not sure this is enough to impress corporation-controlled governments to do the right thing, but their efforts are definitely commendable. Take a look of what they achieved, below:

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