2009 G20 London summit London Summit and to co-ordinate their actions. The meeting was organised at the initiative of German Chancellor Angela Merkel. The leaders agreed that markets, financial institutions and the wide range of financial assets they create, and hedge funds should be subject to appropriate control. In addition, they called for effective sanctions against tax havens. They also agreed to impose sanctions against countries that intend to undermine their work. Finally, they advocated the doubling of funds available to the IMF. Finance ministers and central bankers of the G20 met in Horsham on 14 March 2009 to prepare for the London Summit.
2009 G20 Pittsburgh summit the "Freedom Conference 2009," stressing conservative grassroots solutions and free-market approaches. At around 10:15 a.m. on Wednesday, September 23, Greenpeace activists hung a banner, warning of the dangers of increased CO2 emissions, from the deck of the West End Bridge facing downtown Pittsburgh over the Ohio River. While traffic was held up for a period, all eight activists were placed under arrest after surrendering peacefully. On Thursday, September 24, the Pittsburgh G20 Resistance Project held a march and a day of direct action at Arsenal Park in the city's Lawrenceville neighborhood. Police fired pepper spray at a crowd of an