Not exact matches
Regarding birds and
wind turbines, modern
turbine designs and the use of pre-siting surveys and mortality monitoring
while wind farms are being
operated has drastically cut the problem.
While there are no global warming emissions associated with
operating wind turbines, there are emissions associated with other stages of a
wind turbine's life - cycle, including materials production, materials transportation, on - site construction and assembly, operation and maintenance, and decommissioning and dismantlement.
While existing noise guidelines are accepted by some authorities, it is now evident that these are insufficient to meet environmental requirements for a healthy human existence for some who report adverse health effects after Industrial
Wind Turbines begin
operating.
Critics argue, for example, that a
wind turbine farm can only
operate at a «capacity factor» (a ratio that measures the potential output of an energy source against its actual output) of 30 to 35 percent,
while a nuclear reactor
operates at around 90 percent.