Fires burned across Hamburg for a second day as police and protesters clashed while the leaders of the world's top economies met for the G20 summit. He said that the summit would aim to mobilise private and public financing for the projects committed to under the Paris agreement.
During Friday demonstrators played cat-and-mouse with police as they went torched cars, fired flares at helicopters, blocked roads and even slashed the tyres of the Canadian delegation.
Most of the demonstrations were peaceful and creative, but some rioters threw gasoline bombs, iron rods and cobble stones through the city.
Putin said Trump was satisfied with his denial of meddling in the US election.
Jerry Brown one-ups Trump on climate change with G20 announcement
The G-20 typically denounces protectionism, or the use of unfair means to keep out foreign competitors and protect domestic workers and companies.
Since the demonstrations started on Wednesday, 213 police officers have been injured.
To be a First Lady in these extraordinary times.
The Paris accord aims to lower emissions of the greenhouse gases scientists say cause global warming.
"On the subject of bilateral and regional issues, I welcome the quality and the intensity of the work that has been established since [meeting in Versailles in May]", Macron told Putin. Instead, she was forced to stay in her guest house in Hamburg until the city's police said it was safe.
The two discussed alleged Russian meddling in the U.S. election but agreed to focus on future ties rather than dwell on the past, a result that was sharply criticised by leading Democrats in Congress.