Sentence examples for by harmful from inspiring English sources

What has President Bush done to address the global problems caused by harmful emissions?

Fish, especially shellfish, can become contaminated by harmful micro-organisms that occur naturally and those that result from sewage pollution.

On Earth, the global magnetic field protects the atmosphere from being degraded by harmful cosmic radiation from the Sun.

Just to ensure my opinions haven't been hacked, you know, to guard against corruption by harmful private interests.

Pollution is defined in UK law as contamination of the land, water or air by harmful or potentially harmful substances.

Assault doesn't and shouldn't fall into an 'everyday sexism' bracket, though it may be motivated in part by harmful attitudes.

Such poisons are generated by harmful growths of algae that can be fed by fertilizers in agricultural runoff.

The good bacteria that normally predominate, lactobacilli, disappear and are often replaced by harmful bacteria and fungi.

The federal Clean Air Act, established in 1970, is credited with cleaning up many US cities that were previously blighted by harmful smog.

The Department of Agriculture also stressed the relatively low numbers of beef slaughtered in the last three months that could have been infected by harmful dioxins.

Physicians at the time did not know that mosquitoes carried malaria and yellow fever and believed the diseases were caused by harmful swamp fumes, the breath of infected men or camp excrement.