Legal Questions About President Trump's Withdrawal from the Paris Agreement

On June 9, 2017 the Congressional Research Service (CRS) published a "Legal Sidebar" report and analysis entitled President Trump's Withdrawal from the Paris Agreement Raises Legal Questions.
The questions are:
Pt. 1

• Will the United States Follow the Multi-Year Process for Withdrawal in Article 28?
• Can the United States Immediately Withdraw from the Paris Agreement?
• To What Extent Does the Trump Administration Consider the Paris Agreement Binding Under International Law?
• Will the United States Remain in the United Nations Framework Convention on Climate Change?

Pt. 2

• What is the United States’ Role in Future Climate Change Meetings Organized Under the Paris Agreement?
• What are the Prospects for Legal Challenges to the Withdrawal?
• What Legal Risks did the President Seek to Avoid by Announcing the Exit?

See the answers at https://fas.org/sgp/crs/row/withdrawal.pdf