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Prescription for health: Fight global warming

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Photo: Tim J Keegan/flickr

What if we could reduce worldwide deaths from disease, starvation and disaster while improving the health of people everywhere? According to the World Health Organization, we can.

"Previously unrecognized health benefits could be realized from fast action to reduce climate change and its consequences," says a news release about WHO's first global conference on health and climate in Geneva August 27 to 29, adding, "changes in energy and transport policies could save millions of lives annually from diseases caused by high levels of air pollution." Encouraging people to use public transit, cycling and walking instead of driving would cut traffic injuries and vehicle emissions and promote better health through increased physical activity.

Reducing the threat of global warming and finding ways to adapt to unavoidable change will also help people around the world "deal with the impact of heat, extreme weather, infectious disease and food insecurity."

Climate change affects human health in multiple ways. Increased extreme weather causes flooding and droughts, which influences food production, water and sanitation. Pathogens that plague humans, livestock and crops spread more widely. WHO notes that diseases such as cholera, malaria and dengue are especially sensitive to weather and climate changes.

According to WHO, "Climate change is already causing tens of thousands of deaths every year from shifting patterns of disease, from extreme weather events, such as heat-waves and floods, and from the degradation of water supplies, sanitation, and impacts on agriculture" -- and it will get worse if we fail to address the problem. The poor, elderly and children are most vulnerable.

WHO's conference was held in advance of UN secretary general Ban Ki-moon's Climate Summit 2014 for world leaders, taking place in New York September 23, and geared partly toward ensuring world leaders come up with an agreement to replace the Kyoto Protocol at the Paris UN climate change conference next year.

Two days before the Climate Summit, on September 21, more than half a million people are expected to gather in New York for the People's Climate March, with simultaneous events around the world, co-ordinated by a coalition of more than 1,000 organizations, including environmental, social justice, religious, health and labour groups.

WHO's conference and findings show the importance of getting health-care professionals on board with climate action, as they are with the People's Climate March. "The evidence is overwhelming: climate change endangers human health,”"says WHO director-general Margaret Chan. "Solutions exist and we need to act decisively to change this trajectory."

In a Huffington Post article, Ban Ki-moon stresses that global warming is an immediate and urgent issue. "Instead of asking if we can afford to act, we should be asking what is stopping us, who is stopping us, and why?" he writes. "Let us join forces to push back against skeptics and entrenched interests. Let us support the scientists, economists, entrepreneurs and investors who can persuade government leaders and policy-makers that now is the time for action."

Beyond forestalling the almost-certain catastrophic consequences of unchecked global warming, changing our habits, conserving energy and shifting from fossil fuels to clean energy will have many benefits for human health -- and for the economy. Reducing the burden of pollution- and global warming–related health care costs is a big factor, but opportunities also exist in the clean technology sector. Climate Summit organizers point to the "growing recognition that affordable, scalable solutions are available now that will enable us all to leapfrog to cleaner, more resilient economies."

A leaked draft of the Intergovernmental Panel on Climate Change’s Fifth Assessment's final synthesis report concludes that global warming is already having major impacts worldwide and that, unless we do something about it, we can expect "severe, pervasive and irreversible impacts for people and ecosystems." Our news media should be focusing on these issues rather than chasing an endless line of celebrity antics, corporate priorities and political posturing.

Scientists have warned about global warming consequences for decades, but efforts by fossil fuel interests to sow doubt and confusion, combined with intransigent governments and public apathy, have brought us to a tipping point.

The choice is clear: If we want to protect our health, our children's and grandchildren's health, and the natural systems that keep us alive and healthy, we must act now.

Written with Contributions from David Suzuki Foundation Senior Editor Ian Hanington.

Learn more at www.davidsuzuki.org.

Photo: Tim J Keegan/flickr

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