After studying the graph you posted and doing some research there are several tectonic features beneath the moving Pacific Plate that caused the volcanoes to form in both the Loa and Kea trends. A few of the acceptable answers are rising magma, Hawaii Hot Spot, mantle plume, and a hot spot.
Don't let heat escape from your house for a long period of time
You can clean or replace filters in your house
you can cover ur pots while cooking
Take a shower instead of bath
Use less hot water
These are some that I thougth of
