Word: nitrogen
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
...damage in the Northeast and Canada. The Senate and House measures alike require a 50% reduction (about 10 million tons) from 1980 levels by the end of the year 2000 in factories' emissions of sulfur dioxide, which turns rain into sulfuric acid. Major reductions are also called for in nitrogen oxides (2 million tons by the year 2000 in the Administration and House versions, 4 million tons by 2005 in the Senate version...
...mind, Reagan claimed that no matter what environmentalists say, trees are a source of deadly pollution. On the campaign plane later, Reagan's press secretary James Brady sighted forests below and shouted, "Killer trees! Killer trees!" It seems that Reagan was confusing nitrous oxide with deadlier oxides of nitrogen. Never mind...
...with the dramatic increase in recent years in the release of trace gases, such as chlorofluorocarbons (CFCs), methane, nitrogen oxides and especially carbon dioxide, from industrial sources, the atmosphere is undergoing strains possibly never before experienced in its history...