China is trying to clean up its pollution problem after years of promises and a focus on clean, renewable energy. But the problem is complicated with factories there still using dirty energy like coal to produce their solar panels and wind turbines. (Photo: EPA)
German police patrol the Belgian border searching for a key suspect in the Paris attacks; Brussels alert level stays high as schools, metros, to remains closed Tuesday. (Photo: Xinhua)
BP is using molecular science to create new fuels and lubricants to reduce engine friction that in turn leads to CO2 increases.
UK Prime Minister David Cameron says he wants Britain to join air strikes against Islamic State militants. (Photo: AFP)