By Valerie Volcovici WASHINGTON (Reuters) - President Barack Obama will target carbon emissions from power plants as part of a second-term climate change agenda expected to be rolled out in the next few weeks, his top energy and climate adviser said on Wednesday. Obama will take several steps to make tackling climate change a "second-term priority" that builds on first-term policies, said Heather Zichal, deputy assistant to the president for energy and climate change. ...

WASHINGTON (AP) — President Barack Obama is planning a major push using executive powers to tackle the pollution blamed for global warming in an effort to make good on promises he made at the start of his second term. "We know we have to do more — and we will do more," Obama said Wednesday in Berlin.

BERLIN (AP) — Appealing for a new citizen activism in the free world, President Barack Obama renewed his call Wednesday to reduce U.S. and Russian nuclear stockpiles and to confront climate change, a danger he called "the global threat of our time."

For those waiting for the president to do something on climate change, Obama has offered two signs that action is imminent. The public sign came during his speech today in Berlin. The more subtle signal came in conversation with groups about to sue him for his inaction.

BERLIN (Reuters) - President Barack Obama said on Wednesday the United States understood it had to do more to fight climate change and he pledged that more action was coming. "Our dangerous carbon emissions have come down, but we know we have to do more. And we will do more," he told a crowd of cheering Germans in Berlin. Obama is expected to announce new U.S. measures to fight global warming in the coming weeks. (Reporting by Jeff Mason and Stephen Brown; editing by Erik Kirschbaum)

By Jeff Mason BERLIN (Reuters) - In the city where John F. Kennedy and Ronald Reagan gave defiant Cold War speeches, President Barack Obama will call on Wednesday for a renewed spirit of activism by the West in tackling 21st century challenges from nuclear proliferation to climate change. Fresh from a two day summit with Group of Eight leaders in Northern Ireland, Obama concludes his short European sojourn with a trip to Berlin, the German capital that he last visited as a presidential candidate in 2008. A lot has changed since then. ...

Pool Corp., which distributes supplies for swimming pools, cut its profit estimate for the year because cool, wet weather in North America and Europe is hurting its sales. The company said the unusually ...

In Alaska, houses are built to keep warm air in and cold air out, not the other way around. So with a record-setting heat wave scorching the state, residents are sweltering amidst temperatures soaring past 90 degrees Fahrenheit (32 degrees Celsius).

LONDON (AP) — The best advice for visitors to Britain — pack an umbrella — is more vital than ever.