sentence1: In 1982, for example, RCED examined the progress made since the 1970's in cleaning up the nation's air, water, and land, finding that while strides had been made toward meeting the established goals (cleaner air, properly treated wastewater, more drinkable water), deadlines had been extended and unresolved issues made meeting even these deadlines difficult (U.S.
sentence2: The government extended the deadlines when the sheer scope of the endeavor became apparent.