Amazon to Buy 100,000 Electric Vans as Part of Pledge against Climate Change

Amazon announced that it will buy 100,000 electric delivery vans as part of its pledge to fight climate change.
 announce v)発表する　ｱナｳﾝｽ
 pledge n)堅い約束、保証、公約   ﾌﾟレｯジ
 climate n)気候　ｸラｲﾐｯﾄ