Why are laws needed to protect a parent's ability to decide safe limits for their child without fear of law enforcement getting involved? (wellnessmama.com)
In order to make recommendations you have to know what the upper safe limit of the material is. (sciencedaily.com)
It also occurred before scientific breakthroughs like carbon budgets — which estimate how much carbon we can release into the atmosphere and keep global temperature rise within safe limits. (climaterealityproject.org)