A study in open - access journal Frontiers in Ecology and Evolution finds that compared to sparrows living in the country, urban - dwelling birds show clear signs of stress linked to
the toxic effects of air pollution and an unhealthy diet.
Not exact matches
The
effects of air pollution and
of the discharge
of small amounts
of toxic chemicals into the environment are difficult to assess.
No regrets starts with curbing traditional
air pollution which is the greatest environmental source
of toxic and carcinogenic
effects.