Carbon dioxide has been steadily rising since the start of the Industrial Revolution, setting a new high year after year. There’s a notable new entry to the record books. The last station on Earth without a 400 parts per million (ppm) reading has reached it.
“Astronauts who spend months on end in orbit have to learn to make do and mend in the best tradition of sustainability. Missions to bring fresh supplies are expensive and time consuming. For any astronauts who take on a mission to Mars, planned for the 2030s, with the round trip likely to take two years, life would be even tougher.
That prospect has helped focus minds at America’s space agency, Nasa, on clever ways to provide for daily needs in challenging conditions. But the lessons being learned are also proving to have knock-on benefits down here on Earth.”
“Oscar-winning actor Leonardo DiCaprio has advocated for a number of worthy causes, from fighting climate change to the importance of conservation. Now, with a single tweet, the planetary steward shines a light on the colossal environmental impact of animal agriculture.
In his tweet, DiCaprio included a link to a stunning video from Mercy For Animals, a Los Angeles-based nonprofit organization dedicated to preventing cruelty to farmed animals, and promoting compassionate food choices and policies.”