Federal parties fuzzy on offshore future as scientists call for end to extraction

As prominent climate scientists argue that new offshore oil and gas extraction must end off Canada's East Coast, the three main political parties either support continued development or are unclear on precisely what they would change. (Photo via the Canadian Press) As prominent climate scientists argue that new offshore oil and gas extraction must end off Canada's East Coast, the three main political parties either support continued development or are unclear on precisely what they would change. (Photo via the Canadian Press)

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Why COVID-19 boosters weren't tweaked to better match variants

More COVID-19 booster shots may be on the way -- but when it's your turn, you'll get an extra dose of the original vaccine, not one updated to better match the extra-contagious delta variant. And that has some experts wondering if the booster campaign is a bit of a missed opportunity to target delta and its likely descendants.

Registered nurse Alix Zacharski, left, receives a Pfizer COVID-19 booster shot from Douglas Houghton, right, at Jackson Memorial Hospital Tuesday, Oct. 5, 2021, in Miami. (AP Photo/Lynne Sladky)