A handful of people stood in the background holding banners reading "Wake Up: Climate Action Now" and "Crisis is Crisis" before being dispersed by police without incident.
Many economists and policymakers are forecasting a steep global recession this year as countries are forced into lockdowns to contain the spread of the coronavirus, curtailing business activity in a major blow to jobs and incomes.
Some 30,000 people, including 200 world leaders, had been due to attend the 10-day conference for crucial talks to halt rising global temperatures.
While less visible than climate-enhanced hurricanes, sea level rise may ultimately prove the most devastating of global warming impacts.
The report by the Australia Institute compared data from the past two decades with mid-20th century benchmarks of temperatures at the calendar start of seasons in temperate and sub-tropical parts of the country.
Cutting emissions will be challenging for Amazon. The e-commerce company delivers 10 billion items a year, has a massive transportation and data centre footprint, and has faced criticism from within its own workforce.
The Brazilian scientists that logged the reading said the temperature is "a signal that something different is happening in that area."
African climate activists are making an appeal a week after American news agency The Associated Press faced backlash for cropping activist Vanessa Nakate out of a photo at the World Economic Forum in Davos, Switzerland.
Annual World Economic Forum kicks off with US President Donald Trump criticising "prophets of doom" and teenage activist Greta Thunberg urging global financial elite to act against environmental crisis.
Swedish activist Greta Thunberg and a crowd of thousands of protesters marched in the Swiss city of Lausanne before many of them head to Davos next week to challenge political and business leaders to combat the climate crisis.
Scientists say Earth is probably the hottest it has been during the Holocene — the past 11,500 years or so — making it the warmest period since the dawn of civilisation.
Bushfires ravaging Australia have provided a foretaste of the kinds of conditions that could become normal, says Richard Betts, Head of Climate Impacts Research at Britain's Met Office Hadley Centre.
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