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Climate News and Clear Explanations

Explore the science, the impacts, and practical responses—with a focus on what they mean for Southeast Asia.

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Cities & Climate / Explainer

Urban Heat Islands: Why Cities Stay Hot—and What Can Cool Them

Explore why cities retain heat, what thermal maps really show, and how to assess shade trees, cool roofs and neighbourhood cooling projects.

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Photo credit
Nighttime ground temperatures around Delhi, May 5, 2022, measured by NASA ECOSTRESS. Historical illustration; surface temperatures, not air temperatures. Image: NASA/JPL-Caltech — public domain (source and rights). Resized and converted to WebP.
Energy & Technology / Explainer

How Much Energy Does AI Really Use?

AI has no single electricity cost per question. Explore what current evidence tells us about training, inference, data centres and the climate impact of growing demand.

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Photo credit
Summit supercomputer at Oak Ridge National Laboratory, May 2018. Historical illustration of computing hardware, not a current commercial AI facility. Photo: Carlos Jones/ORNL · CC BY 2.0. Resized and converted to WebP.
Energy & Technology / Explainer

ASEAN’s Data Centre Boom: From 9 TWh to 68 TWh by 2030

Southeast Asia's data centre electricity demand is set to grow sevenfold by 2030. Here's what's driving it, which grids can absorb it, and what it costs.

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Photo credit
File photo: Wikimedia Foundation server racks, 2015. This is an illustrative data-centre image, not a photograph of an ASEAN facility. VGrigas (WMF) — CC BY-SA 3.0. Resized and converted to WebP.

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Understanding the Climate Crisis—and What We Can Do

Climate change affects the systems people depend on—from electricity and food to water and healthy ecosystems. Start with the causes, follow the evidence, and explore the responses.

What Is the Climate Crisis?

The climate crisis describes the growing risks associated with human-driven climate change. Burning coal, oil and gas, alongside changes in land use, releases greenhouse gases that warm the planet. The consequences extend beyond temperature, affecting rainfall, oceans, ice and ecosystems.

The risks are not the same everywhere. Where people live, the infrastructure available to them and their access to resources all influence how they experience a changing climate.

Explore the causes and impacts →
Muir Inlet and Riggs Glacier in Alaska in 2004
Muir Inlet, Alaska, photographed in 2004. Historical glacier photography complements satellite and field measurements. U.S. Geological Survey · Public domain · Resized and converted to WebP.

What Does the Evidence Show?

Scientists compare surface temperatures, ocean observations, atmospheric measurements and changes in ice. Looking across these records helps distinguish long-term climate change from short-term weather.

A photograph can illustrate a place and time. Understanding a trend requires measurements across years, with clear methods and a stated reference period. Our evidence guide explains how to read those records and the claims made about them.

Read the climate evidence →

How Does Climate Change Affect Southeast Asia?

Extreme heat, changing rainfall and coastal hazards raise different questions for cities, farms and coastal communities. A useful local assessment considers both the physical hazard and who or what is exposed to it.

For cities, that includes shade, building design and access to cooling. For farmers, it includes water availability and reliable irrigation. For coastal communities, sea-level rise and ocean warming create challenges that depend on local conditions. Our explainers connect these issues to evidence and practical decisions, without treating one regional average as a prediction for every place.

What Can We Do?

Climate responses involve cutting emissions and preparing for impacts. Personal choices matter alongside the energy systems, transport networks, business decisions and public policies that shape the options available.

At home

Understand energy use, reduce avoidable waste and consider efficiency when equipment needs replacing.

Explore home actions →

On the move

Review regular journeys and compare transport choices that fit your needs, safety and local infrastructure.

Explore transport choices →

In your community

Work with others on local projects with clear goals. Ask how proposed changes will be measured and who benefits.

Find ways to get involved →

Businesses and governments also shape investment, buildings and public services. When assessing a climate commitment, ask what it covers, when it will happen and how progress will be checked.

Browse practical climate actions →

Put Your Carbon Footprint in Context

A carbon footprint estimates greenhouse gas emissions associated with an activity, product, person or organisation. Its meaning depends on the boundaries, data and assumptions behind the calculation. Use an estimate to identify questions and track changes—not as a complete account of your influence.

Understand your carbon footprint →

About Our Coverage

ClimateCrisis.net publishes source-linked articles and explainers. Publication dates show when an article appeared; they do not mean every study it discusses is new. This homepage guide was prepared with AI assistance. See our editorial information for how the site uses AI and how to raise a question or correction.

Scientific References

These assessments support the climate overview above. They do not imply endorsement of this website.

Continue learning: Reading guide · An Inconvenient Truth