More extreme weather and more intense weather -- is this our new reality with climate change? Experts weigh in on what's to come.

Severe weather expert Jeff Halverson explains why the El Nino and La Nina cycle have a greater impact on our weather than climate change.

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Global Impact: El Nino Vs. La Nina

Severe weather expert Jeff Halverson reveals if global warming is spawning more tornadoes.

Is Global Warming Producing More Tornadoes?

Severe weather expert Jeff Halverson reveals the surprising location of America's deadliest twisters.

Where Are America's Deadliest Tornadoes?

Severe weather expert Jeff Halverson explores why the U.S. is such a hotbed for tornadoes.

Why Do So Many Tornadoes Strike The U.S.?

Severe weather expert Jeff Halverson explores whether improved technology will continue to improve weather forecasts.

Will Technology Improve Weather Forecasting?

Severe weather expert Jeff Halverson explains how climate change could fundamentally alter our weather patterns.

Could Climate Change Alter Earth's Jet Streams?

Severe weather expert Jeff Halverson explores whether global warming will produce more severe droughts in America.

Global Warming And Drought In America

Severe weather expert Jeff Halverson reveals if climate change is producing more severe storms.

Is Climate Change Causing More Severe Weather?

Severe weather expert Jeff Halverson reveals the root cause of high death tolls and devastation from Hurricanes Katrina and Sandy.

Catastrophic Consequences: Katrina And Sandy

Severe weather expert Jeff Halverson explains the likely causes and impacts of the notorious "Polar Vortex."

The Truth About The Polar Vortex

Severe weather expert Jeff Halverson explores whether global warming is fueling more potent hurricanes.

Is Global Warming Producing Stronger Hurricanes?

Simon Nicholson, Director of the Global Environmental Politics Program at American University, explores the dangerous political debates surrounding geoengineering and climate change.

Climate Change and Politics

Bob Gagosian, President Emeritus of the Consortium for Ocean Leadership, explores how the science of climate change became a dangerous political debate.

Global Warming: Science vs Politics

Bob Gagosian, President Emeritus of the Consortium for Ocean Leadership, reveals some of the biggest threats from warming seas.

The Hidden Dangers of Warmer Oceans

Bob Gagosian, President Emeritus of the Consortium for Ocean Leadership, explains how increasing ocean pollution could have a devastating impact on the availability of clean drinking water.

The Growing Global Water Crisis

Bob Gagosian, President Emeritus of the Consortium for Ocean Leadership, explains why rising seas will likely be the most devastating aspects of global climate change.

The Growing Threats Of Rising Seas

Simon Nicholson, Director of the Global Environmental Politics Program at American University, explains how several geoengineering strategies may be used as a last line of defense against climate change.

What is Climate Geoengineering?

Simon Nicholson, Director of the Global Environmental Politics Program at American University, reveals the hidden dangers of trying to geoengineer the planet to combat climate change.

Climate Geoengineering Risks

Simon Nicholson, Director of the Global Environmental Politics Program at American University, explores whether humanity will be able to avoid crossing some of the tipping points that could lead to catastrophic climate change.