"He will be matched with high-level White House climate policy coordinator and policymaking structure to be announced in December that will lead efforts here in the United States to combat the climate crisis, mobilize action to meet the existential threat that we face", Biden said. Kerry signed the Paris Agreement and then it was torn away or Donald Trump tried to tear it away. We have Jake Sullivan, also a former national security advisor to Mr Biden, as his national security advisor to now the president.
The newly appointed Special Presidential Envoy for Climate John Kerry.
Avril Haines has been nominated to serve as director of national intelligence.
The slate unveiled by Biden includes veterans of the Barack Obama administration and signals a return to traditional USA diplomacy and multilateralism.
Ms Haines was the deputy director of the Central Intelligence Agency between 2013 and 2014.
She has also led the Biden transition's national security and foreign policy team since June this year. She is a former deputy director of the Central Intelligence Agency and a deputy national security adviser.More news: Very severe cyclonic storm Nivar to hit TN tonight
Mr. Trump's second secretary of state, Mike Pompeo, boasted about his "swagger" as he alienated the United States from its closest allies, disregarded congressional mandates and dismissed an inspector general who investigated his use of department resources for personal ends.
The role has never been held by a Latino or immigrant before. Linda Thomas-Greenfield, who is nominated as United Nations ambassador, is a 35-year veteran of the Foreign Service who headed the State Department's Africa bureau during the Obama administration.
Biden selected Alejandro Mayorkas as head of the Department of Homeland Security.
Biden stressed the achievements of his Secretary of State nominee Antony Blinken in areas of worldwide cooperation under former President Barack Obama. And the legacy that he will leave with his America First isolationist policies, but also because of climate change, and the impact of the pandemic.
Joe Biden smiles as John Kerry, left, speaks at a campaign stop in North Liberty, Iowa in February, 2020.More news: Google teams up with Disney for ‘The Mandalorian’ AR experience
Antony Blinken, Biden's choice for secretary of state, said the United States can not solve global problems on its own.
Mr Blinken has previously held top foreign affairs posts on Capitol Hill, in the White House and in the State Department. "President Trump has changed the landscape".
A gay staffer has been appointed to a powerful role by president-elect Joe Biden.
In a further message of the US' re-engagement with the global community, Mr Biden named Linda Thomas-Greenfield as the U.S. ambassador to the United Nations. Linda Thomas-Greenfield is an African-American diplomat veteran of the foreign service.
Following the demonstration, the coalition on Wednesday morning debuted NoMoniz.org, a website that warns the policies of Obama's former energy secretary "might be good for his friends in the coal, oil, and gas industries, but they're a death sentence for us and our planet".More news: Charles Darwin notebooks 'stolen' from Cambridge library