I was disappointed with Obama on a number of issues, including his inability to disengage from the wars in the Middle East, and yes, not ending Federal marijuana illegality. But he did insert a clause in the current law that allowed for medical usage, which Trump has now repealed, and the Fed's pretty much had a very low-key attitude towards how the States handled it, under Obama, which Trump is threatening to amp up.
I appreciate you holding President Obama to accountability as you have done so thoroughly with President Trump.
In policy, the federal government had a "low-key attitude" but not in enforcement. In enforcement, the laws were adequately prosecuted and those who failed to stand on the side of the law were dealt with likewise. So I fail to see how President Obama seems to have your approval on this issue. Furthermore I fail to see how Clinton might have done better as she seemed to be, at least on this issue, a successor to Obama's policy and enforcement on marijuana.
On this issue, and the issue of drugs in general, I tend to fall back to Nancy Reagan and "Just Say No". I'm even more of a subsidiarity believer than you are, even if the states legalize it, in an ideal world, folks should have the sense to disregard marijuana usage. But alas! We have democrats still.
But it's the clean air, clean water, and protection of wilderness areas where Trump has totally dropped the ball. On that issue, Obama got a "C", and Trump gets an "F". Since it's my major concern, I could never have voted, and will not vote for him. I want him out of there as soon as possible, before any further damage can be done. It's not about "Climate Change", it's about the Environment, and leading by example. "Stewardship", as you call it.
Truly, I think it is petty to want him out (I assume impeached) for the sole reason of not micro managing the environmental policy of his administration.
Since you say "it's not about climate change", but the preceding sentence declare that damage has been done, why is it not about climate change?
Certainly I agree that the environment ought to be a priority (certainly not the highest, however) and that all of Congress and the Executive ought to act in that effect. This said, I don't understand how one can refuse to vote for President Trump, and furthermore elect for his impeachment, but support President Obama. As was often repeated ad nauseam, "Obama inherited a poor economy". So then did President Trump inherit a poor environment? If this isn't the case, why so?
President Obama was not an ally to the environment as is often believed. He pandered to those who sought only to put coal and oil out of business; even when scientists have yet to agree on a consensus on whether or not human emissions are to blame for environmental changes. He pandered to businesses who funded him, like solar and wind, and why shouldn't he have? They were his investors.
Let us not forget the blunder that was the Copenhagen Accord, when the Obama administration used threats and subversive efforts to secure support for it.
Unfortunately in dealing with the environment as a nation, we are obliged, therefore, to assist other nations. This, in turn, drives our economic policies leftward. It is all connected, and these policies can not be analyzed by themselves, but instead in context of other policies that they will inevitably affect.