There will be, I just woke up this early morning thinking about climate change, and thought people will definitely want to migrate to cooler places but some nations will object to this due to conflicting interests

In another viewpoint on climate change, do remember that the Earth rotate around the Sun in elliptical manner, it's not perfect circle - there will be surely a time when a new Ice Age will happen - we're just at a period when Earth is getting closer to the Sun on it's rotational axis