Global warming,as demonstrated by observations such as melting of glaciers,increasing CO₂ levels,and increasing average ambient temperatures,has already had many effects on living organisms.Which of the following might best offer a solution to this problem?

A)Continue to measure these and other parameters of the problem.
B)Increase the abilities of animals to migrate to more suitable habitats.
C)Do nothing; nature will attain its own balance.
D)Limit the burning of fossil fuels and regulate our loss of forested areas.
E)Recycle as much as possible.