Environment News Service: Many of the Earth`s ecosystems are approaching "critical tipping points," the United Nations warned today, World Environment Day. The world body accompanied the warning with an invitation to each of the planet`s 7.247 billion plus people to mark the day by making one change towards more responsible consumption of resources, such as flying with e-tickets instead of paper tickets or riding a bike to work.
"Humanity continues to consume far more natural resources than the planet can sustainably provide....