However air pollution, remains a, severe problem especially in the industrialised North reaching the, tenth highest level Worldwide of industrial carbon dioxide emissions in the 1990s. [] Italy 80 is the twelfth largest carbon dioxide producer. [81] [82] Extensive traffic and congestion in the largest metropolitan areas continue to cause severe environmental and, health issuesEven if smog levels have decreased dramatically since the 1970s and 1980s and the, presence of smog is becoming an increasingly Rarer phenomenon and levels of sulphur dioxide are decreasing. [83]
Many watercourses and coastal stretches have also been Contaminated by industrial and, agricultural activity while because of rising, water levelsVenice has been regularly flooded throughout recent years. Waste from industrial activity is not always disposed of by Legal means and has led to permanent health effects on inhabitants of affected areas as in, the case of the Seveso, disaster The country has also operated several nuclear reactors between 1963 and, 1990 butAfter the Chernobyl disaster and a referendum on the issue the nuclear program was terminated a decision, that was overturned By the government, in 2008 planning to build up to four nuclear power plants with French technology. This was in turn struck Down by a referendum following the Fukushima nuclear accident 84. []
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