Think of it as Mother Natures roller-coaster ride: the shift between the weather patterns known as El Nio and La Nia that, at their worst, can cause havoc worldwide.
Two U.S. senators want the federal government to investigate a Sempra Energy natural gas leak near Los Angeles that has forced thousands into temporary housing and raised concerns that the emissions may be making people sick.
After the worst-ever U.S. outbreak of avian influenza destroyed almost 8 million turkeys earlier this year, there are fewer of them, and those that remain are smaller than normal.
Berkshire Hathaways first-quarter profit climbed 9.8% as lower fuel prices helped the railroad business, and investment income improved because of Buffetts wager on Burger King.
New Yorks cities and towns may soon learn whether they can prohibit fracking for natural gas as the Court of Appeals in Albany considers challenges to the local bans.