Join Puget Soundkeeper for the first cleanup of the Seattle Summer Cleanup, a series of events focused on removing thousands of pounds of debris from Seattle’s urban waters. On Saturday, June 22nd, walk the floating paths through the Arboretum in search of beer cans, tangled fishing gear, lost flip flops and other weird finds, or hop in a canoe borrowed from the Waterfront Activities Center to scoop up floating debris. Contribute your own kayaks, canoes or other floating devices! Afterwards,…