It's that time of the year again!

No, not spring time.
It's the time when people who call themselves "green" try to win points by inciting fear, reinforcing stigma and questioning science.

Come with me and let's explore what's happened!

This thread will cover:

What's happened?
Why is it wrong? (and dangerous?)
What to do instead?

What's happened?

Today marks 34 years since a catastrophic accident at the Chernobyl nuclear power plant caused widespread and significant radioactive contamination which has resulted in around 100 deaths and around 300 000 people being displaced from their homes.