msnbc.com news services
updated 9/13/2011 3:56:00 PM ET 2011-09-13T19:56:00

Former Vice President Al Gore and his Climate Reality Project on Wednesday plan to stream online 24 hours straight with scientists and activists from around the world speaking about climate impacts.

"24 Hours of Reality" will host an event in a different time zone every hour, culminating in a final presentation by Gore in New York at 7 p.m. ET Thursday.

The campaign also asks people to hand over control of their social networking accounts on Facebook and Twitter to it for 24 hours to deliver Gore's message.

"There will be 200 new slides arguing the connection between more extreme weather and climate change," said Trewin Restorick, head of the event's UK partner Global Action Plan. "There will be a full on assault on climate skeptics, exploring where they get their funding from."

The final presentation will also be aired on Current TV, a cable station co-owned by Gore, a Nobel Peace Prize winner.

Gore tried to raise awareness about global warming in the 2006 Oscar-winning documentary "An Inconvenient Truth," which earned $49 million at the box office worldwide.

The film was criticized by climate change skeptics as being one-sided.

Concern about climate change in the United States, the world's second biggest emitter of greenhouse gasses, has fallen steadily to 48 percent in 2011, from 62 percent in 2007, an opinion poll showed in August.

The presentation will be available online starting Wednesday at 8 p.m. ET at climaterealityproject.org.

Reuters and The Associated Press contributed to this report.

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