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Global carbon pollution rises after 3 straight flat years

WASHINGTON — Scientists say global carbon pollution went up this year after three straight years when it didn’t go up at all.

Preliminary figures project that worldwide carbon dioxide emissions rose about 2 per cent. The heat-trapping gas is a key cause of global warming.

The report out Monday dashes hopes that emissions from the burning of coal, oil and gas had peaked.

Earth’s ozone hole shrivels to smallest since 1988

WASHINGTON — The ozone hole over Antarctica shrank to its smallest peak since 1988, NASA said Thursday.

The huge hole in Earth’s protective ozone layer reached its maximum this year in September, and this year NASA said it was 7.6 million square miles wide (19.6 million square kilometres). The hole size shrinks after mid-September.