Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: Mondayâs walkout was yet another symbol of how dramatically the U.S. presence at the annual climate summit has changed. In previous years  the government funded an official pavilion to showcase its climate action  among booths from dozens of other countries. The Trump administration declined to sponsor a pavilion this year  so  former New York City Mayor Michael Bloomberg  is footing the bill for the U.S. Climate Action Center  a sprawling series of inflatable domes just outside the main conference area.
Wolfgang Rattay/Reuters The Trump administration declined to sponsor a pavilion to showcase U.S. work on climate action this year  so  former New York City Mayor Michael Bloomberg  is footing the bill for the U.S. Climate Action Center just outside the main conference area.
At a packed launch event Saturday   Bloomberg  said  he  had gathered support for the Paris pact from public officials and leaders who represent some 130 million Americans  and  he  suggested their alternate delegation is just as relevant to the climate talks as the official U.S. negotiating team.
âIf Washington wonât lead  mayors  governors and civil society will â  Bloomberg  said. (âWell  I represent 300-something million Americans â Banks countered in an interview.)

An Alternate Delegation Tries To Convince The World The U.S. Cares About Climate Change