Tous les articles et traductions

, by Down to earth

Persistent organic pollutants can render vaccines ineffective

Researchers from usa and Denmark have confirmed an association between increased exposure to persistent organic pollutants (pops) like polychlorinated biphenyls (pcb) and decreased antibody production in children vaccinated against tetanus and diphtheria. Action against pops was initiated in (...)

, by Down to earth

20 years to…where?

By Sunita Narain

Next year, in June, world leaders will get together in the joyful city of Rio de Janeiro, Brazil, to mark 20 years of UNCED—the Earth Summit (see Down to Earth, May 15, 1992).
Unbelievably, it will be 40 years since the Stockholm conference, when the question of the environment first caught (...)