<page_title> Environmental impact of wind power </page_title> <section_title> Birds </section_title> <table> <cell> Cars & trucks <col_header> Source </col_header> </cell> <cell> 50 – 100 <col_header> Estimated mortality (in millions) </col_header> </cell> <cell> Buildings and windows <col_header> Source </col_header> </cell> <cell> 365 – 988 <col_header> Estimated mortality (in millions) </col_header> </cell> </table>
In environmental impact of wind power, 57 million are killed by cars and 365 to 988 million are killed by collisions with buildings.