Administration officials denied that Turkey is "complicit" in the influx of fighters.
Vice president contradicts White House on Turkey comments.
Turkish government has been "part of the problem," says Florida lawmaker.
Kerry tried to reassure Turkey, which has concerns about arming Kurdish groups.
"We are going to stay resolved and determined to get after this threat," said an official.
Airstrikes have failed to halt fighters advancing on Kobani, a Kurdish town.
The report calls climate change a "threat multiplier."
At least 2,000 opposition fighters will receive training from U.S. and Turkish experts.
Militants have advanced on the Syrian town seven miles from the Turkish border.
Kobani, at the Syria-Turkey border, has been under attack by ISIS for nearly three weeks.
ISIS fighters are changing their tactics and hiding more among civilians.
Leaders in Ankara had initially resisted U.S. calls to join an effort against the group.
Video shows a crowd throwing paint at a sailor and chanting "Yankee go home."
The bombing campaign has averaged $7.6 million per day since August.
The U.S. launched a new wave of strikes and dropped arms for the Kurdish town.
Turkey is hosting thousands of refugees from the Syrian border town.
Coalition forces have now carried out 110 strikes to save the Kurdish town of Kobani.
ISIS militants are threatening to capture the Turkish-Syrian border town of Kobani.
Rubio said Obama wants to be able to "brag about disengaging" from the Mideast.
The group reportedly controls "more than a third" of the Syria-Turkey border town.
he Pentagon's top military commander in Africa sparked alarm Tuesday.
The vice president has made a string of gaffes requiring apologies to world leaders.
Retired Marine Gen. Allen is meeting with allies as the ISIS fight expands.
Islamic militants raided the Turkish consulate in June and seized 49 people.