Climate change is the Everest of all problems, the thorniest challenge facing humankind.
After 18 months work, the chairman of the IPCC working group looking at the impacts of climate change wrote the issue was "potentially the greatest global environmental challenge facing humankind".
Today, we need a global Apollo programme to tackle climate change, but this time the money needs to be international," to fight "the greatest material challenge facing humankind".
Recognising global warming as "one of the most serious and complex challenges facing humankind," this year's WEF meeting devoted 23 sessions to climate change.
They might also ask why, in the face of all the challenges facing humankind, not least in Africa, primates spent five days obsessing about their attitude to gay sex.
But there is another form of celebration planned, and its sponsors believe it says something about the national character: a three-day conference of some of the best minds from around the world on some of the biggest challenges facing humankind — and especially the Jews — in the coming decades.
Health and sustainability are two of the most daunting global challenges facing humankind today.
Once we've identified what's of lasting value -- that is, the time-tested teachings -- in both traditions, the next step is to spell out their complementary roles in addressing the life-threatening challenges facing humankind.
NEW YORK, 18 December 2009 – In an effort to harness the energy, imagination and initiative of the world's youth in overcoming the challenges facing humankind, from enhancing peace to boosting economic development, the United Nations today proclaimed an International Year of Youth starting on 12 August 2010.
The acquired immunodeficiency syndrome (AIDS) resulting from infection by human immunodeficiency virus type 1 (HIV-1) is arguably the greatest medical and scientific challenge to face humankind in the past decade.
