"Neither the discussions at the summit nor the public debate in Israel were marginal issues.
Australia has been fiercely resisting climate change discussions at the summit and does not want it distracting from its desired focus on "economic growth and jobs".
Discussions at the summit also focused on at least three free trade pacts in the region.
His team is promising "tough" discussions at the summit in Brussels, with Secretary of State Rex Tillerson saying to European countries: "You need to make sure you're doing your share". Analysis: What future for Trump and Nato?
Discussions at the summit are to focus on challenges and opportunities for the global economy, innovations in science and technology, and the future of healthcare and education, among other topics relating to sustainable development, organizers said.
The broadcaster Charlie Rose moderated a discussion at the summit with five African presidents which highlighted the problem.
Despite these limits, Manuel Orozco, Central America project director for the Inter-American Dialogue, a research group based in Washington, says the discussion at the summit meeting is an important step forward.
The threat posed by the Islamic State, the Islamic Militant group that beheaded American journalist James Foley and claims to have beheaded journalist Steven Sotloff, is going to be a major topic of discussion at the summit.
Take banking union, the main topic of discussion at the summit.
According to Emily McGraw, state maintenance operations engineer with the North Carolina Department of Transportation, who participated in a state panel discussion at the summit, the Department of Transportation in Pennsylvania has been helpful with the infrastructural analysis process, providing guidance on permitting and bonding issues for hauling on rural roadways.
