Smoke from a wildfire may travel to great heights and linger there for up to a year. The protective ozone layer that shields the Earth from the sun's harmful UV rays while suspended there may be eroded by these particles, revealed a recent MIT study.
Washington D.C. [USA], June 28 (ANI): The restoration of the globe's protective ozone shield may be delayed by three decades if fast-rising emissions of a chemical used in paint strippers and pharmaceuticals is not restricted, warns a study.