Sentence:  In addition to urging greater restrictions on aerial spraying , Buchheister <WSD>called</WSD> for support of the Wilderness bill , creation of national seashore parks , including Point Reyes ; preservation of the wetlands where birds breed ; a pesticides co-ordination act ; stronger water pollution control programs , and Federal ratification of an international convention to halt pollution of the sea by oil . 
Meaning of the word marked with <WSD> tags:  express the need or desire for; ask for