as, results
from the use of commercial pesticides; ground water contaminated by
naturally occurring arsenic; intermittent water shortages because of
falling water tables in the northern and central parts of the
country; soil degradation and erosion; deforestation; severe
overpopulation

Barbados
pollution of coastal waters from waste disposal by ships;
soil erosion; illegal solid waste disposal threatens contamination
of aquifers

Bassas da India
NA

Belarus
soil pollution from pesticide use; southern part of the
country contaminated with fallout from 1986 nuclear reactor accident
at Chornobyl' in northern Ukraine

Belgium
the environment is exposed to intense pressures from human
activities: urbanization, dense transportation network, industry,
extensive animal breeding and crop cultivation; air and water
pollution also have repercussions for neighboring countries;
uncertainties regarding federal and regional responsibilities (now
resolved) have slowed progress in tackling environmental challenges

Belize
deforestation; water pollution from sewage, industrial
effluents, agricultural runoff; solid and sewage waste disposal

Benin
inadequate supplies of potable water; poaching threatens
wildlife populations; deforestation; desertification

Bermuda
asbestos disposal; water pollution; preservation of open
space; sustainable development

Bhutan
soil erosion; limited access to potable water

Bolivia
the clearing of land for agricultural purposes and the
international demand for tropical timber are contributing to
deforestation; soil erosion from overgrazing and poor cultivation
methods (including slash-and-burn agriculture); desertification;
loss of biodiversity; industrial pollution of water supplies used
for drinking and irrigation

Bosnia and Herzegovina
air pollution from metallurgical plants;
sites for disposing of urban waste are limited; water shortages and
destruction of infrastructure because of the 1992-95 civil strife;
deforestation

Botswana
overgrazing; desertification; limited fresh water resources

Bouvet Island
NA

Brazil
deforestation in Amazon Basin destroys the habitat and
endangers a multitude of plant and animal species indigenous to the
area; there is a lucrative illegal wildlife trade; air and water
pollution in Rio de Janeiro, Sao Paulo, and several other large
cities; land degradation an