Polls show that between one-third and one-half of Americans still believe that there is "no solid" evidence of global warming, or that if warming is happening it can be attributed to natural

Polls show that between one-third and one-half of Americans still believe that there is "no solid" evidence of global warming, or that if warming is happening it can be attributed to natural variability. Others believe that scientists are still debating the point. Join scientist and renowned historian Naomi Oreskes as she describes her investigation into the reasons for such widespread mistrust and misunderstanding of scientific consensus and probes the history of organized campaigns designed to create public doubt and confusion about science. Series: "Perspectives on Ocean Science"

UBC Professor William Rees argues that climate change is the largest collective

UBC Professor William Rees argues that climate change is the largest collective threat humankind has ever faced as we are now a global culture. Individual choices to reduce their eco-footprint will not have a huge effect. Sustainability is not about acting alone, but is a collective enterprise so we must make our cities so it is possible for our citizens to live a sustainable life. We are all on the Titanic together.

This is the UK Government TV Advertisement on climate change which is the subject of an investigtion after the government agency regulating advertising received

This is the UK Government TV Advertisement on climate change which is the subject of an investigtion after the government agency regulating advertising received hundreds of complaints that it is a form of political advertising, not a public service campaign.