Ex. 8.8. Fill in the gaps with a different form of the word in brackets. The new form may be a noun (singular or plural), verb or adjective. Some words are not in the text:

• Global …… (warm) and the ……. (destroy) of the environment are (threat) the planet.
• Green …… (active) and other pressure groups are becoming increasingly …… (influence) in determining the …… (environment) policies of large companies.
• Genetic ….. (engineer) is very ….. (controversy), but many developing nations see it as the only way to ensure continuing ….. (grow) in agricultural ….. (produce).
• Their government’s …… (economy) strategy is one of rapid ….. (industrialize). This has both … (strong) and …. (weak).