Good question, if a bit broad. To start, and as previously posted, the left is less vulnerable to the "fake news" phenomena of recent times. And, I mean actual fake news, not the phrase that comes from POTUS every time he encounters news that isn't favourable to him. Of course, the left isn't immune, but it isn't as bad.
Could you define what you mean by "actions of the left"? The hard left, who aren't in power anywhere in Canada or the US? Do you mean those of Democrat state and municipal administrations? Don't forget, the political spectrum is skewed to the right in the US, when compared with the rest of the world, so what you might view as left, would be regarded as centrist elsewhere, while the right in the US is generally regarded as hard right elsewhere.
I understand that you aren't happy with the Democrat administration in your neck of the woods; you've made that clear many times. As a Canadian, I don't delve that deeply into state and local politics. But, we can't help but be flooded with American national issues, which often overflow into international matters, a reflection of the size and importance of America on the world stage. As neighbours, we get a close-up view.
One issue that I have with the left - in the US, at least - is that they don't seem to have a coherent policy on immigration. They know what they don't like - rightly - which are the draconian measures being taken by the current administration. But, if they can't formulate a coherent policy, they're going to leave it to a bunch with a much dimmer view. Here is a more nuanced take:
https://www.theatlantic.com/magazine/archive/2019/04/david-frum-how-much-immigration-is-too-much/583252/
As for climate change, at least the left is taking it seriously. While some of the measures in the "Green New Deal" may seem impractical, we can at least look at it as aspirational and implement some practical measures. Trump's promise to bring back the coal mines is hilariously irresponsible - notwithstanding the fact that they probably won't be coming back to any significant degree.
Here in Canada, the federal Liberal government (centrist to us, left-wing to you...maybe) is implementing a carbon tax. If you take the need to reduce our carbon footprint seriously - and I do - this is the best way to do it. It will be revenue neutral, as the tax will be rebated to householders, while at the same time, encouraging reduced upfront expenditures on fossil fuels. It's straightforward and leaves it to emitters to determine how to reduce their carbon footprints in the most efficacious manner for them.
The Tory opposition (centre-right to us, centrist to you...maybe) keeps banging on about it being another tax, while ignoring the rebate aspect. Instead, they promise to come up with a climate change policy in due course. Which might be never. But, it will involve some form of "regulation". That will be the most inefficient manner to address the issue, as it handcuffs emitters to specific courses of action. So, from a free market point of view, I agree more with the government.
Some issues on which I largely agree with the left:
> Black Lives Matter/White Privilege
> MeToo
> Universal Health Care
I'm not in lockstep agreement with everything that comes out of left-wing mouths on the above topics, but many right-wingers look at the them in manners that I don't agree with at all.
I don't know if that helps, but the question is so broad, it's hard to know how to respond, as "the left" is half of the political spectrum with a limitless number/variety of opinions.