The City of London Corporation, which runs London’s historic finance district, proposed a new, lower speed limit of 15 miles per hour and the closure of some streets at lunchtime in an effort to reduce air pollution.
Erupting volcanoes, earthquakes, dust storms and meteorites smashing into the Earth’s crust are natural phenomena that can cause climate change and air pollution: Dinosaurs may have met their end after a giant meteorite kicked up so much dust that it blocked out the sun for decades, reducing photosynthesis and preventing the growth of plants.
Aviation has boomed in the past decades, with low-cost airlines helping make travel affordable to more people, but the industry faces a major challenge to play its part in cutting emissions responsible for global warming.
According to the NHS, around one in seven couples in the UK have difficulty conceiving. Infertility in women is most commonly caused by problems with ovulation, while the most common cause of infertility in men is poor-quality semen.
Air pollution in 39 major northern Chinese cities rose 16 percent on the year in January, official data showed, with surging industrial activity making it increasingly unlikely they will meet their winter emissions targets.
China will order detailed punishment measures for officials in regions that miss air quality targets this winter, refusing to accept unfavorable weather or mounting economic pressure as excuses, an environment ministry official said.