Either global warming is the greatest crisis ever to confront humankind, or it is a lefty plot completely manufactured by scientists and politicians in pursuit of research funding and control over our lives.

FORBES: Global Warming: Hotheads, Flatliners and Lukewarmers, Part One

The authors observe that the world needs the social sciences more than ever, in order to confront the major challenges facing humanity, such as poverty, epidemics and climate change.

UNESCO: MEDIA SERVICES

Bernie Sanders is right that Jack Lew shows little indication of ever stepping through the looking glass to confront the monster within or of turning inward to reconsider what lurks behind his own romantic vision of all those borrowed billions.

FORBES: Bernie Sanders Slams Jack Lew, Obama's Would-Be Treasury Secretary

And if there was ever a moment to do what America does best, to confront the challenges we face, this is it.

CNN: Clinton's September 17, 2007, speech on health care

Israel's enemies, however, now confront an Israel stronger than ever militarily and impossible to defeat in a single blow.

CENTERFORSECURITYPOLICY: The East Bank: Is Israel a Jewish settlement?

As well as learning how to use or reject infidelity or dating sites we have to learn to confront or embrace the past much more than ever.

FORBES: Sex and Love and The Business of "I Do"

With Arafat and his galvanising effect gone for ever, the evolving Palestinian leadership would be less able and probably less inclined to confront Hamas head-on.

BBC: Mid-East press reflects on Arafat legacy

As Americans try to recover from and comprehend the most devastating terrorist attack ever, it is not surprising that US leaders are groping for a new language and way of thinking to confront the new reality.

CENTERFORSECURITYPOLICY: Who is the Enemy and How They Must Be Fought