The 16-year-old's lone protest last summer has morphed into a powerful global movement challenging politicians to act

The case is the first time a mine has been refused in the country because of climate change.

Insects could vanish within a century at current rate of decline, says global review.

This week a United Nations working group responded to a joint statement posted online in December by some of the world's largest conservation organizations calling for 30 percent of the planet to be managed for nature by 2030, and for half the planet to be protected by 2050.

"The people have taken to the streets in large numbers to demand more ambitious climate action from the government. As scientists, and on the basis of scientific facts, we declare: the climate activists are right!"

Belgian protests against inaction on climate change drew more than 30,000 high school and university students to Brussels.

The Grace satellites revealed a four-fold increase in mass being lost from Greenland's ice sheet from 2003-2013.

To feed a growing global population and curtail climate change, scientists say we need to radically change our food systems.

Scientist Brad Lister returned to Puerto Rican rainforest after 35 years to find 98% of ground insects had vanished.