Read the following text and fill in the blanks with suitable words from the box. There are more words than needed. Make any grammatical change if necessary:

warmth	cut	rise	anticipation	habitats	increase
reckless	severe	imperative	extinct	catastrophe	raise

The destruction of forests and other (a) _____ is causing the (b) _____ of various plants and animals everyday. In the last 25 years alone the world has lost one-third of its natural wealth. Forests are being (c) ______ down. Moreover, they are being burnt (d) _____ resulting in an (e) _____ in carbon dioxide and ultimately the water level (f) ______ as a consequence of global (g) _______ . It is (h) ______ that the new century will face an over whelming environmental (i) _______ . It is therefore (j) _____ to check the reckless pollution of the environment.