"GOOSE LAKE, Northwest Territories -- In a fragile landscape where footsteps leave an imprint for years, Jennifer Baltzer stood and surveyed the surrounding bog of green sphagnum moss. Black spruce trees tilted here and there like drunkards."

"Snowpacks are a vital source of water for humans, but they may shrink in some regions as the climate warms. A new study estimates how changes in showfall will affect water supplies."

"A key indicator for the strength of El Niño has reached a record high, the U.S. weather agency said, adding to signs that a weather pattern known for causing extreme droughts, storms and floods could become one of the strongest ever."

"People around the world should protest ‘on behalf of those who can’t’, say organisers of climate march forbidden in light of Paris terror attacks".

Researchers have found that some antibiotic-resistant bacteria can transfer their resistance to other strains.

"Polar bear populations are likely to fall by more than 30 percent by around mid-century as global warming thaws Arctic sea ice, experts said on Thursday in the most detailed review of the predators to date."

"Climate activists have reacted with dismay to the French government's decision to ban two scheduled mass marches across Paris and other French cities during crucial global climate change talks later this month."

"The planet has not been only record warm this year, it's been so unusually mild that the temperature records themselves have set records of their own. This is the case with October 2015, according to new preliminary NASA data released Tuesday."

"After a concerted push from the United States, members of the Organization for Economic Cooperation and Development agreed Tuesday to slash subsidies aimed at exporting technology for coal-fired power plants."

"The Norwegian oil company Statoil said on Tuesday that it would pull out of the Chukchi Sea off Alaska, just weeks after Royal Dutch Shell abandoned the treacherous waters there after spending billions of dollars on oil exploration work."