"No political ideology or economic structure has been able to tackle the climate and environmental emergency and create a "cohesive and sustainable" world", she said.
Trump refused to respond to follow up questions on the Senate trial that will decide his fate.
"The Fed raised rates too quickly and has lowered them too slowly", Trump said of the Federal Reserve, taking aim at the central bank's policy decisions.
The founder of Chinese tech giant Huawei has shrugged off US pressure on his company.
The summit in the Swiss Alpine town runs through January 24.
Ren Zhengfei struck a casually defiant tone at the World Economic Forum in Davos, Switzerland when asked about the USA government's blacklisting of Huawei. "America will always be the proud, strong and unyielding bastion of freedom", he said.
Trump's speech was met with nearly total silence from the crowd, unlike his last speech in Davos in 2018, when he was met with occasional boos and laughter.
He told a packed auditorium that trade deals struck this month with China and Mexico represented a model and took his biggest swipe yet at the Federal Reserve, whose policies he says are holding back the US economy.
"Our relationship with China, right now, has probably never been better".
But her address was just as accusatory toward global and big business leaders.
"We are already seeing some tentative signs of stabilisation but we have not reached a turning point yet", said International Monetary Fund chief Kristalina Georgieva.
Where President Trump does seem to be "winning" is that those affected by trade tension with him can see the merit in allowing him to claim a victory in time for the election. Quebec premiers have attended the summit for the last 30 years in an attempt to stimulate foreign investment in the province.
Young climate activist Greta Thunberg arrived at the World Economic Forum in Davos on Tuesday, where she was expected to speak at several events.
Stiglitz on Tuesday also voiced his frustration at Trump's failure to address head on the climate emergency, beyond a commitment that the USA will join an initiative to plant a trillion trees worldwide.
"This is not a time for pessimism. Fear and doubt is not a good thought process, because this is a time for tremendous hope and joy and optimism and action".
He urged global leaders to "reject the perennial prophets of doom and their predictions of the apocalypse".
"We will never let radical socialists destroy our economy, wreck our country, or eradicate our liberty". He skipped Davos in 2017 out of concern that the well-heeled Davos crowd was the wrong fit for a man elected on a nationalist, anti-elites message.
"One year ago, I came to Davos and told your that our house is on fire", she told participants at the annual gathering in Switzerland. "Your inaction is fueling the flames by the hour".
The president, who has pulled the U.S. out of the 2015 Paris climate accord, has traded barbs with Thunberg on social media.
Stiglitz also complained about the president's stance on climate change, telling the Independent, "He managed to say absolutely zero on climate change. Meanwhile, we are all going to roast".
Other pressing issues that will be addressed in Davos this year are global growth, income inequality, long-term debt burden, technology war, rising geopolitical conflicts, and workforce development.
Donald Trump seemingly took a swipe at climate activists during his speech at the World Economic Forum 2020 in Davos, Switzerland.
When Trump and his entourage walked through United Nations headquarters previous year at the annual General Assembly, a photo of the teenager staring in apparent fury at the president from the sidelines went viral. That reality also places governments are the forefront of the response.
The WEF, founded in 1971 by Klaus Schwab, a German engineer and economist, is celebrating its 50th anniversary this year.
This was not the first time that Trump has denied knowing about someone seemingly at odds with his political narrative. Ukrainian President Volodymyr Zelenskiy, whose phone call with Trump triggered the impeachment process, is also due to attend briefly but not to meet with the USA president.
President Trump also paid tribute to Ivanka's efforts in bringing more United States people into the workforce with her advocacy work for the past two years.
Trump in 2018 also promised to slap tariffs on European imports, but European officials agreed to enter trade talks. French President Emmanuel Macron agreed in recent days to delay a similar tax in order to avoid Trump's tariffs.
Head of original content for HBO Max Sarah Aubrey says the company is "excited" to bring Janetti's Instagram to life. This is the second project for Janetti with HBO Max after the previously announced Brad and Gary Go To ...
Those with more risky types of coronavirus could experience shortness of breath, chills and body aches, the CDC said. Coronavirus has spread to other areas in China, including Beijing, Shenzhen, Shanghai, and the Guangdong province.
West Ham head to Leicester on Wednesday with just one victory from their previous five Premier League games. West Ham manager David Moyes will be without injured Brazilian winger Felipe Anderson for a month.
Crucially, the company has been linked to Saudi Arabia's alleged assassination of the Washington Post journalist Jamal Khashoggi . But within hours of receiving a video file in May, Bezos' phone began to surreptitiously transmit large amounts of data.
Minnesota's Andrew Wiggins posted the first triple-double of his career with 18 points, 11 assists and 10 rebounds in defeat. Kyle Kuzma scored 23 points, and Danny Green and Kentavious Caldwell-Pope chipped in 20 points apiece for Los Angeles.
Le club basé à Londres a remporté quatre des cinq derniers titres anglais et trois des quatre derniers titres de Coupe d'Europe. Pour se mettre en conformité, les Saracens vont devoir largement dégraisser leur effectif ou bien baisser de nombreux salaires.
The insider added that they're open to him returning to the group if his drumming is up to standard in the next few months. We have missed him and have encouraged him to rejoin us to play many times but apparently he has not felt ready to do so.
Australian Open 2020 day 3
Meanwhile, defending champion Naomi Osaka opened her campaign with a straight-sets win over Marie Bouzkova. The American superstar began in blistering fashion to leave the Russian teenager stunned.