Dunhuang in China 'disappears' as it is swallowed by gigantic wall of sand more than 300 feet high. Footage shows high rise buildings disappearing beneath the cloud of dust.
The UN Secretary-General António Guterres said that to limit global temperature rise to 1.5 degree Celsius, we must cut global emission by 45 percent by 2030 from 2010 levels.
According to researchers at the Royal Horticultural Society, the bushy variety of cotoneaster works best in areas of heavy traffic to absorb pollution.