even ozone, to form a wide variety of toxic products, some of which may cause biological mutations. Examples of these chemicals include the nitrate radical, nitroarenes, and nitrosamines. Visibility Impairment - Nitrate particles and nitrogen dioxide can block the transmission
In the U.S., the clocks will be turned back one hour on Nov. 2, at 2:00 a.m. local time, so trick-or-treaters will hang on to a little more light on Halloween. (Mark your calendar, we âspring aheadâ an hour on the second Sunday in March.). If you live in Europe, you will have already moved your clock back to Standard Time on Sunday, Oct. 26, in the wee hours of the morning (it varies by country), in Asia, most countries do not observe Daylight Saving.
Some things always seem to signal the change from winter to spring. The first crocus. The sound of birds chirping. Turning the clocks ahead an hour. On Sunday, March 12, at 2 a.m., people in most areas of the U.S. will turn their clocks ahead one hour to daylight-saving (not âsavingsâ) time. You may have already noticed that itâs staying lighter later, thanks to the normal course of the Earthâs movements in relation to the sun, but daylight-saving time turbocharges this process.