Yes, the current warming of the planet seems to be at least partially man-made as the overwhelming scientific evidence shows. It is another question whether it is irreversible and whether it matters of long periods of time for the Earth since there have ice-ages and warm periods before

Yes, the unprecedented heat wave that’s going on right now in Canada and the Pacific Northwest is definitely man-made. There is no way it is normal to have that kind of heat.

Overwhelming climactic evidence suggests that increased human activity leads to greater concentrations of greenhouse gasses in the atmosphere, be it water vapor, methane, carbon dioxide, or CFCs.

I'm pretty sure NASA knows what they're talking about https://climate.nasa.gov/

During global lockdown the conditions of the planet improved vastly, showing the correlation between less human interaction with the planet and better climate conditions.