With an alarming spread of blights, infestations, and extreme weather affecting trees, Morris Arboretum at University of Pennsylvania is holding a one-day event in Haverford (a suburb of Philadelphia) to discuss the challenges facing and successful strategies available to communities responsible for maintaining a healthy tree canopy.

Top leaders from NOAA, the U.S. Navy, Coast Guard and more will discuss critical impacts of an ice-diminishing Arctic on Naval and maritime operations. This free event takes place at the U.S. Navy Memorial & Naval Heritage Center in Washington and will also be live streamed.

Energy storage, micro grids, efficiency, renewable energy and security will be on display this November in Long Beach, California, during the 41st annual FCS&EE.

All are invited to a panel discussion at Kings College London, UK, on May 9 at 5:00 p.m., organised by the Lau China Institute and chinadialogue. US President Donald Trump, who once called climate change a Chinese hoax, threatens domestic climate change action in the United States, and the UN Paris Agreement itself. With the US in retreat and Europe divided, can China step up and lead? If so, how might it shape global climate action, and what can it tell us about how China is changing?

The 2017 Summit will convene in Washington, D.C., where ocean and youth leaders from 150 marine organizations, and national and internation partners, will discuss offshore drilling and spilling, plastic and other forms of ocean pollution, defending coasts at risk from sea-level rise and climate denial, and more.

The conference aims to generate solutions to facilitate the delivery of the Cayman Islands National Energy Policy. Discussions will be themed around the most pressing sustainability needs of the Cayman Islands and the Caribbean region, including low carbon pathways and the commercial opportunity, regulatory framework, utility business model of renewables, review of renewable energy penetration achieved in island nations through new storage solutions and more.

Please join us in New York City for The Rethinking Animals Summit 2017, an urgent gathering to address the volatile coexistence of human and non-human animals. Can we create a sustainable, healthy and humane future that includes the protection of all creatures?

As oceans are an increasingly important resource for many industries and coastal states, and activities move further offshore, this World Ocean Council webinar, 12:15-1:30 pm MDT, will examine new legal questions raised as activities move further offshore, beyond the boundaries of coastal state laws into the realm of international conventions and regulators. Event is no charge; registration required.