Almost this entrire post is wrong or at least partially informed. Even in the 60s scientists said GW would be a problem and they out voted their peers 6 to 1 on heating vs cooling. The media however ran with cooling due to I think cooler temps in recent years. 30 years later and it's a much bigger consensus at around 98% of scientists agree with GW.
The polar bear thing is just factually incorrect from what I can find. Curious though I did a check on that website and found it is a borderline extremist website dedicated to only pushing a set political agenda. All the fact check sites give them poor ratings for producing fake or misleading information frequently.