Sea otters 'protect the earth'
When hunting sea urchins, otters not only solve their hunger, but also help humans reduce the global warming, scientists claim. Sea urchins eat kelp, a plant that absorbs stronglySpring can come earlier with North American forests, increasing CO2 absorption
In the next century green plants in the United States may have new spring leaves up to 17 days earlier than before global temperatures began to rise, according to a new study