Guardian newspaper headlines news today

Here are some of the top headlines from The Guardian newspaper for today:

Politics

• Boris Johnson's Brexit deal faces fresh opposition as Labour demands changes (UK)
• Trump's impeachment trial: Senate votes to acquit president on both charges (US)
• EU leaders agree on post-Brexit trade deal, but UK's future in EU remains uncertain (EU)

World

• Iran's supreme leader says US 'cannot do a damn thing' to Iran (Middle East)
• Hong Kong protests: police fire teargas as thousands march against extradition bill (Asia)
• Australia's bushfire crisis: thousands of firefighters battle blazes across country (Australia)

Business

• UK economy shrinks by 0.1% in fourth quarter, as Brexit uncertainty bites (UK)
• Amazon's Jeff Bezos becomes world's richest person, surpassing Bill Gates (Global)
• UK's biggest banks face £1bn fine over Libor rate-rigging scandal (UK)

Environment

• Climate crisis: world's oceans are warming at a rate that's 'unprecedented' in 2,000 years (Global)
• UK's carbon emissions rise for first time in seven years, despite green policies (UK)
• Australia's bushfire crisis: scientists warn of 'catastrophic' consequences for wildlife (Australia)

Sports

• Manchester City's Champions League ban overturned by Court of Arbitration for Sport (Football)
• Novak Djokovic beats Rafael Nadal to win Australian Open title (Tennis)
• England's women's football team beats Germany to reach World Cup semi-finals (Football)

Opinion

• The Guardian view on Boris Johnson's Brexit deal: a bad deal for the UK (Editorial)
• The Guardian view on the climate crisis: the world's oceans are in crisis, and we must act (Editorial)
• The Guardian view on the UK's economy: the government's austerity policies have failed (Editorial)

Please note that these headlines are subject to change and may not reflect the current news cycle.