Threat to ozone's recovery
Scientists have warned of new threats to the ozone layer - just days after indications that ozone depletion may be slowing. This year's ozone "hole" over Antarctica peaked in September at 26 million
Scientists have warned of new threats to the ozone layer - just days after indications that ozone depletion may be slowing. This year's ozone "hole" over Antarctica peaked in September at 26 million