world hasown that the both the will and the ability to take on this challenge. it will not the easy. progress will not always come quick. we cannot be complacent. while our generation will see some of the benefits of building a clean energy economy, jobs created, money saved, we may not live to see the full realization of our achievements. that that is ok. wet matters is that today can be more confident that this planet will be in better shape for the next generation. that is what i care about. i imagine taking my grandkids, if i'm lucky enough to have some, to the park someday and holding their hands and hearing their laughter and watching the quiet sunset, all the while knowing that our work today prevented an alternate future that could have an grim. here and now gave future generations cleaner air in and cleaner water and a more sustainable planet. what could be more important than that? today, thanks to strong, principled american leadership, that is a world we will leave to our children. a world that is safer, more secure, more prosperous, more free. and t