Al Gore is renewing his campaign to convince sceptics of the link between climate change and extreme weather events by means of a global multimedia event.

The former U.S. Vice President, Al Gore, will broadcast a presentation every hour for 24 hours across 24 time zones from Wednesday to Thursday.

The project is called 24 Hours of Reality. It will be featuring a multimedia presentation viewable online that aims to showcase recent science on climate change and reveal how money motivates those who deny it.

Al Gore is said to have been dismayed by recent poll results that showed that the public perception of climate change had steadily fallen since 2009.

The 24 Hours of Reality campaign will be asking people to hand over control of their accounts on Facebook and Twitter for an entire day to deliver Gore's message.

The campaign will begin in Mexico City at 0000 GMT Thursday and end with the final presentation by Gore starting at 7:00 p.m. (2300 GMT) in New York.

Gore tried to raise awareness about global warming in the 2006 documentary, An Inconvenient Truth, which earned $49m at the box office worldwide but was criticized by some climate change sceptics.

Gore has received a number of awards including the Nobel Peace Prize (joint award with the Intergovernmental Panel on Climate Change) (2007), a Grammy Award for Best Spoken Word Album (2009) for his book An Inconvenient Truth, a Primetime Emmy Award for Current TV (2007), and a Webby Award (2005). Gore was also the subject of the Academy Award-winning (2007) documentary An Inconvenient Truth in 2006. In 2007, he was named runner-up for Time's 2007 Person of the Year.

Gore has been involved with environmental issues since 1976, when he was a freshman congressman.

Gore's involvement in environmental issues has been criticized. For example, he has been labeled a carbon billionaire and accused of profiting from his advocacy, a charge which he has denied.

In recent years, Gore has remained busy traveling the world, speaking and participating in events mainly aimed toward global warming awareness and prevention.

His keynote presentation on global warming has received standing ovations, and he has presented it at least 1,000 times, according to his monologue in An Inconvenient Truth.

Gore and his family drive hybrid vehicles. In An Inconvenient Truth, Gore calls for people to conserve energy.

Gore was awarded the 2007 Nobel Peace Prize, which was shared by the Intergovernmental Panel on Climate Change, headed by Rajendra K. Pachauri (Delhi, India). The award was given for their efforts to build up and disseminate greater knowledge about man-made climate change, and to lay the foundations for the measures that are needed to counteract such change on Oct. 12, 2007.

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