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Good afternoon, and welcome to Globe Climate, a newsletter about climate change, environment and resources in Canada.

It’s the first day of COP30, the annual United Nations climate talks. Canadian negotiators will be in Brazil for the next two weeks to discuss how the world will continue to adapt to climate change risks and what mitigation efforts lie ahead. We’ll dive in.

Now, let’s catch you up on other news.

1. Analysis: Federal budget signals Carney’s new tone on climate policy, but not much substance
2. Major projects: Northern Ontario chiefs step up demands for consultation in resource projects
3. Politics: Liberal ministers avoid saying when emissions cap could be scrapped
4. Coal: Documents related to Summit coal decision raise more questions about Alberta Energy Regulator’s independence
5. Indigenous business: Haisla Nation to acquire assets of cancelled LNG project in B.C.

For this week’s deeper dive, a brief lookahead to the 30th Conference of the Parties. With files from The Canadian Press.

Let’s keep it simple. Here are some of the things to know as COP30 kicks off today, plus what Canada’s role could be.

Where?

The location of this year’s conference is a reminder of what is at stake.

The summit will take place in Belem, a gateway to the Amazon River. The city is also close to the Amazon rainforest – a.k.a. the “lungs of the world” – which has been choked by wildfires and deforestation.

What?

The United Nations climate-treaty process launched in 1992 with the UN Framework Convention on Climate Change. The first COP, which stands for Conference of the Parties, after those who signed, took place in 1995. COP30 is the 30th annual meeting.

The conference also marks 10 years since the Paris Agreement. The international treaty, which garnered 195 eventual signatories, is considered a landmark in the fight against climate change; many activists speak of “before Paris” and “after Paris.”

Why?

Brazil, the host country, has indicated this COP will be focused on following through on existing deals, rather than advancing new rules. More than half of the countries attending have yet to submit updated national climate plans, which were due earlier this year.

Key focus areas will include adaptation, how to make countries more resilient and last year’s pledge to mobilize at least US$1.3-trillion annually by 2035 for climate finance.

Who?

The COP heads of state summit, which was held last week, had only about half the attendance of the same event last year.

UN Secretary-General António Guterres opened with harsh words for world powers who he said “remain captive to the fossil fuel interests, rather than protecting the public interest.”

Brazil President Luiz Inácio Lula da Silva also spoke sternly. “It is only right that it is the turn of the Amazonian people to ask what the rest of the world is doing to prevent the collapse of their home,” he said.

U.S. President Donald Trump withdrew the U.S. from the Paris climate accords the day he entered office and will not be in attendance.