People can be on the same page but still have a debate about the extent of the situation. They could agree on man made climate change while believing it's not a

People can be on the same page but still have a debate about the extent of the situation. They could agree on man made climate change while believing it's not a doomsday scenario. The extent is important because that's how you set sensible policies. If it's really not doomsday than the policies you might advocate for would be ridiculous. If it is a doomsday scenario then the lack of policies one of the skeptics you spoke with would be ridiculous.