COP21? Is it a new American police flick?

More than 190 countries will confer in Paris at COP21 about reducing greenhouse gas emissions that pollute our air and contribute to global warming.
Sun shining throught solar panels (Shutterstock)

‘Grid parity’ is key to stopping climate change. Here’s why.

What does grid parity have to do with climate change? Everything. As the cost of renewable energy drops, so does the dependence on traditional energy.
Green northern lights in sky over frozen Arctic waters.

The world looks north

The Arctic has enormous economic and environmental influence on the planet. So the world will be watching when the Arctic Council meets April 24–25.
Close-up image of melting glacier (© AP Images)

No plan for climate change? Risky investment, agencies say.

Even before nearly 200 countries reached the historic Paris climate agreement in 2015, credit rating agencies had been evaluating companies' climate risk.
Earth seen from space (NASA)

NASA tech brings climate science down to Earth

More than 160 satellites beam data to scientists studying climate worldwide. Political leaders can base climate decisions on science rather than theory.

Kerry: A global agreement is necessary to address climate change

Climate change poses one of the greatest threats now facing humanity, and no global climate agreement alone is going to stop it, U.S. Secretary...
Performers dancing at 2016 Olympics Opening Ceremony (© AP Images)

Rio goes gold, silver, bronze and green

Those watching the Opening Ceremony and viewing the Olympic Games see climate change as a major theme, from sustainable food to recycled medals.
Electric car plugged into charging station (© AP Images)

Electric cars could dominate some city roads sooner than you think

Falling costs for the technology powering electric cars and stricter emissions regulation are among the reasons electric vehicles are becoming more popular.
Air conditioners being sold on street (© AP Images)

Did your country help make air conditioners better for the environment?

Nearly 200 countries took a key step in the fight against global warming by phasing out a chemical used in air conditioners and refrigerators.