8 ms·They also tried "global ice age" in the 70s and 80s to push recycling.by frockington 8y agoThey also tried "global ice age" in the 70s and 80s to push recycling.beat 8y agoThe neat thing about science is that it admits when it's wrong and changes direction.lj3 8y agoNot unless it gets scientists grant money. Cancer research is a great example of science not being able to change direction because the money is too good.