West Kingston-based APC, a provider of integrated critical power and cooling services, announced that it will contribute $5 to The Nature Conservancy for every APC Back-UPS ES 750 and APC Power-Saving SurgeArrest sold through participating retailers and directly from www.apc.com in North America on Earth Day, April 22. The Conservancy is a leading conservation organization working around the world to protect ecologically important lands and waters for nature and people. The APC products provide home computer systems guaranteed protection from damaging power surges and spikes.