Human activities such as farming and construction are threatening the survival of scores of wild species by forcing them to travel more to avoid mankind's impact, research showed Monday.
A large floating platform with six underwater turbines was launched Monday near the mouth of the Bay of Fundy, marking the latest high-tech bid to generate electricity by harnessing the bay's powerful tides.
China launched a carbon trading system Monday designed to drive down emissions, as the world's biggest polluter takes steps towards decarbonising its economy by 2060.
