As many already know, climate change is already happening and there have been many arguments about what is a relatively safe level of carbon concentration to avoid dangerous climate change impacts. (greenleapforward.com)
While the nutrients used are within safe levels for children over the age of 2, children have different nutritional needs than adults. (leanfit.com)
Even then, the world may have to invest in sci - fi technologies like atmospheric carbon dioxide removal to keep greenhouse gases at safe levels. (slate.com)