The environment

Air pollution became a problem in London in the _________________ century

The United States produces about ___________________ of the world's waste

Water pollution causes approximately 14.000 deaths per ________________

One _________________ plastic bags are used each year worldwide

137 species in tropical forests become extinct every ______________

27.000 trees are cut down each day to make _______________________

__________________ has the most green space of any capital city in the world

When a newspaper is recycled, it takes ______________ days to become a new one

Only __________________ of our planet's water supply can be used

1.2 million people die early each year in ______________ because of air pollution