The Natural World

Global w______ is changing animals' natural habitats.

Cities are trying to be more environmentally f_______.

Obviously, s____ energy is a cleaner alternative than oil.

Tourism can damage the desert's fragile e__________.

The Earth's a__________ is being damaged by pollution.

We can reduce our carbon f________ by taking fewer flights.

It would be crazy to go out to sea in this r____ weather.

Recent winters have been colder as a result of c______ change.

Just stop and think about the ecological i_____ of how we live.