The obligatory link: UFO science key to halting climate change: former Canadian defense minister
The title really does say it all here. A former government official who is calling on the governments of the world to take the covers off all that alien technology they've been holding back from the UFO crashes... to help stop global warming.
No, it's not scientific. The only value is that it's worth a laugh. At least he's got his science fiction down, to an extent:
"Alien spacecrafts would have traveled vast distances to reach Earth, and so must be equipped with advanced propulsion systems or used exceptional fuels"