The Alberta provincial opposition parties and leaders are?

The Alberta provincial opposition parties and leaders as of my knowledge cutoff in September 2021 are:

New Democratic Party (NDP):

- Leader: Rachel Notley

The New Democratic Party is a social democratic political party in Alberta. It is currently the official opposition in the Legislative Assembly of Alberta, and previously formed government from 2015 to 2019 under the leadership of Rachel Notley. The NDP advocates for policies such as affordable healthcare, education, and housing, as well as environmental protection and workers' rights.

United Conservative Party (UCP):

- Leader: Danielle Smith

The United Conservative Party is a conservative political party in Alberta. It is currently the governing party in the Legislative Assembly of Alberta, having won a majority government in the 2019 provincial election under the leadership of Jason Kenney. The UCP advocates for policies such as lower taxes, reduced government regulation, and support for the energy sector.

Alberta Party:

- Leader: Stephen Mandel

The Alberta Party is a centrist political party in Alberta. It is currently the third largest party in the Legislative Assembly of Alberta, and has previously held official opposition status from 2012 to 2015 under the leadership of Greg Clark. The Alberta Party advocates for policies such as fiscal responsibility, sustainable economic development, and social justice.

Liberal Party of Alberta:

- Leader: David Khan

The Liberal Party of Alberta is a liberal political party in Alberta. It is currently the fourth largest party in the Legislative Assembly of Alberta, and has previously held official opposition status from 2004 to 2012 under the leadership of Kevin Taft. The Liberal Party advocates for policies such as social justice, economic equality, and environmental protection.

Wildrose Independence Party of Alberta (WIP):

- Leader: Paul Hinman

The Wildrose Independence Party of Alberta is a right-wing populist political party in Alberta. It is currently the fifth largest party in the Legislative Assembly of Alberta, and was previously the official opposition from 2015 to 2017 under the leadership of Brian Jean. The WIP advocates for policies such as limited government intervention in the economy, individual freedom, and social conservatism.

These are the major provincial opposition parties and leaders in Alberta as of my knowledge cutoff. Please note that there may have been changes since then, so it's always best to refer to the latest official sources for the most up-to-date information.