The Alberta government says it will appeal a ruling that gives the province 10 days to make a decision on a bitumen recovery project in the oilsands.

The corridor will create a protected network of space across Highway 3, in an area that naturally funnels wildlife north and south through the Rockies.

Fort McKay First Nation has been negotiating for two decades with the province to protect Moose Lake, west of the townsite.

It was a day of tears and bittersweet smiles at the Alberta legislature as Premier Rachel Notley and other dignitaries paid tribute to former premier Jim Prentice.

Prentice was Alberta's 16th premier when he was chosen by Progressive Conservative party members to be their leader in September 2014.

A swath of land in southwestern Alberta has been protected and named in honour of former Alberta premier Jim Prentice.

The Transportation Safety Board (TSB) said without a flight recorder, there is no way to be sure what caused a plane crash that killed four people, including former Alberta premier Jim Prentice.

It's been two years since Rachel Notley and the NDP were elected in Alberta and ended more than four decades of government under the Progressive Conservatives. Here is a look at what's happened since:

"These are complex investigations," a TSB spokesperson told Global News Thursday. "We don't have a precise timeline."

Despite their immense grief, Jim Prentice's family pushed to have the book published.