Trump has averted to wearing a mask in public but said last week he would use one "in a tight situation with people".
Trump first floated the idea in August after attending the G7 in France. He has also hosted world leaders at some of his other properties, including at his Mar-a-Lago oceanfront club in Palm Beach, Florida.
Treatment of the lake pollution started in 2013, one year after the 18th National Congress of Communist Party of China included ecological development as a major task in the country's overall plan and proposed building a "beautiful China" as a grand goal for ecological progress.
Trump tweeted a list of topics discussed at the summit, including terrorism, security for Israel, Mideast peace, Ukraine, North Korea and more, and wrote: "There are many answers, some easy and some hard, to these problems... but they can ALL be solved!""I look forward to our second meeting so that we can start implementing some of the many things discussed," he wrote. Trump also met with Putin last year in Germany and Vietnam.
Trump also criticized New York Governor Andrew Cuomo over rising crime in New York City. The Republican president previously has had numerous clashes with the Democratic governor over the handling of the COVID-19 pandemic.
Trump also highlighted the anti-terrorism fight and foreign aid policy in his address. Trump said he had signed an order to reexamine the US military detention policy and to keep open the detention facilities at Guantanamo Bay.
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Trump last week threatened to seal the border this week if Mexico did not immediately halt all illegal immigration into the US, a move would have enormous economic consequences on both sides of the border.
Trump tweeted: "Space Force all the way!"
Trump wants to spend more money than Pelosi's .2 trillion proposal. But Senate Republicans are resisting spending more than trillion.
Trump is expected to announce on Tuesday he will end the Deferred Action for Childhood Arrivals program but will give Congress six months to craft legislation to replace it, according to local reports.