
Mariel Lozada
Audience engagement editor
Mariel Lozada was Climate Home News' audience engagement editor from 2023 to 2026. She has experience reporting on gender, health and immigration and is especially interested in how these topics relate to climate. She holds a Master’s Degree in Engagement Journalism from the Craig Newmark Graduate School of Journalism at CUNY. Originally from Venezuela, she splits her time between New York City and Latin America.When she’s not working, she loves reading, practicing yoga and taking on every crafty project she can find (not always successfully).
Dec 11, 2025
As the Paris Agreement turns 10, what has it achieved?
A decade since the deal was adopted, climate experts say it is working to cut emissions, spur action and reduce the projected temperature rise – but not as fast as we need it to
Nov 28, 2025
“Coordinated backlash”: Activists say COP30 gender spat reflects wider threat
The climate summit ended with a hard-won agreement on a Gender Action Plan, but only after a bitter row over definitions of gender driven by reactionary views outside
Nov 19, 2025
COP30 Bulletin Day 9: Belém package elusive as Lula steals the show
After spending the day in high-level meetings at COP30, Brazil’s president says rich nations need to help poor ones on climate action, while a planned early deal is yet to emerge
Nov 18, 2025
COP30 Bulletin Day 8: Draft decision draws battle lines on fossil fuel transition, finance and trade
Countries are working on a “Mutirão” decision that will be at the heart of a Belém political package to drive forward multilateral climate action
Nov 15, 2025
COP30 Bulletin Day 6: First week ends with a colourful march and much work left to do
UN climate chief Simon Stiell tells governments “to give a little to get a lot”, as many thorny issues remain for ministers to resolve next week
Nov 14, 2025
COP30 Bulletin Day 5: COP30 could greenlight work on a fossil fuel transition roadmap
At the climate talks in Belém, governments are considering whether to launch a process to craft a roadmap and how that might look
Nov 13, 2025
“They are killing us too”: Amazon flotilla raises Indigenous concerns at COP30
Indigenous activists onboard the flotilla to COP30 criticised the impacts of agriculture, fossil fuel extraction and mining on their Amazon communities
Nov 12, 2025
COP30 Bulletin Day 3: Brazil tries to find a home for tricky issues
Brazil is trying to craft a compromise package on several contentious issues and has dismissed the idea of a roadmap away from fossil fuels
Nov 11, 2025
COP30 Bulletin Day 2: Ethiopia picked as COP32 host, while COP31 standoff continues
African nations backed Ethiopia’s bid to host the 2027 summit over Nigeria’s, while Australia and Türkiye remain deadlocked over next year’s host decision
Nov 6, 2025
World leaders get behind climate action at first COP in the Amazon
Government heads urged political unity on efforts to tackle climate change while criticising President Trump and others who are undermining that push
Oct 21, 2025
Ahead of COP30, Brazil grants Petrobras a licence to drill for oil in Amazon region
Brazil has authorised Petrobras to explore for oil off the Amazon coast, a move campaigners say undermines global climate goals
Oct 13, 2025
As coral reefs pass tipping point, ocean protection rises up political agenda
New scientific studies show coral reefs are under severe pressure from global warming, while ocean acidification poses a threat to marine life
Oct 8, 2025
Panama environment minister backs calls for reform of UN climate process
Panama’s environment minister told Climate Home that decision-making rules at the UN climate talks should be reformed to deliver faster changes.
Sep 25, 2025
Lula says he is “optimistic” about US support for new rainforest fund
The Brazilian president says that for COP30 to be successful, it needs the commitment of all world leaders
Sep 24, 2025
At climate summit, UN chief urges countries to go “much further, much faster” on NDCs
With about 120 leaders and ministers speaking in New York, the pressure is on for stronger climate action plans to rein in global warming, with the world off track to meet Paris Agreement goals
Sep 24, 2025
Fact-checked: Trump’s UN tirade against renewables, climate deals and environmentalists
The US president’s outspoken speech was littered with a string of misleading or false statements – many about efforts to fight climate change
Sep 16, 2025
“Public health emergency”: Report shows fossil fuel impacts on every stage of life
The Global Climate and Health Alliance documents how fossil fuel extraction and use harms people throughout their lives, with the worst effects on marginalised groups
Nov 29, 2024
COP29: Five most dramatic moments from the UN climate summit in Baku
The COP29 climate talks saw tearful speeches, hollow laughs, diplomatic spats and walk-outs before ending with a finance deal pushed through in controversial circumstances
Nov 27, 2024
What was decided at the COP29 climate summit in Baku?
From a controversial $300bn-a-year climate finance deal to stranded emissions-cutting talks and a new global carbon market, here are the main outcomes
Nov 11, 2024
COP29 Bulletin Day 1: Carbon market rules adopted, US reassures on emissions
UN climate summit kicks off in Baku, with governments approving carbon market rules and US climate envoy saying emissions to keep falling
Nov 6, 2024
Biodiversity market takes off at COP16, in shadow of carbon credit chaos
Several new guidelines for biodiversity credits were launched at COP16 in Cali, Colombia, where activists warned on risks to nature conservation efforts
Nov 3, 2024
COP16 hands power to Indigenous people but fails to bridge nature finance gap
UN biodiversity summit produces mixed results, with gains for Indigenous people and disagreement on how to raise and manage funding for nature protection
Dec 3, 2023
Cop28 bulletin: US GCF pledge and ‘greenwash’ oil and gas charter
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Nov 17, 2023
Oil, carbon and loss: navigating Cop28 with Climate Home News
Climate Home News is hosting a series of three online events to guide you through Cop28. Join us to hear from the experts and ask your questions.























