There are philosophical issues involved in that about choosing the right discount rate, the value, the future, and things like that which drive it. But its start with the premise that global warming is real and if you're a denier of that fact, then you're not going to find climate change mitigation
For an actor working in television or film, I think it's important to understand how the medium works - how the camera and lenses work and how the sound and the editing works.