Blog

Exploring environmental science, sustainability, and our relationship with the natural world through research-backed insights from a youth perspective.

How Do Algal Blooms Turn Into Environmental Crises?
Marine Science

How Do Algal Blooms Turn Into Environmental Crises?

An algal bloom develops when microscopic algae accumulate in water in unusually large amounts. Off the state of South Australia, a bloom along the southern coast has lasted for over a year and has been linked to widespread marine…

8 min read
How Did a Mountain Collapse Become Nepal’s Flood?
Geology

How Did a Mountain Collapse Become Nepal’s Flood?

On the morning of August 26, 2026, rock and glacier ice broke away from a mountainside in the Langtang region, near Nepal’s border with China, and rushed into the valley below. The moving mixture picked up water and debris…

11 min read
Wildfire Smoke Without Borders: From Canadian Forests to Distant Cities
Public Health

Wildfire Smoke Without Borders: From Canadian Forests to Distant Cities

On June 7, 2023, smoke obscured New York City's skyline and turned the sky orange. The fires responsible were burning in Canada. Smoke from Quebec had travelled south into the northeastern United States, reaching the air that…

7 min read
El Niño’s Return and Its Ripple Effects on Global Weather
Climate Science

El Niño’s Return and Its Ripple Effects on Global Weather

Warmer-than-usual water across the central and eastern tropical Pacific is again changing the winds and rainfall above it. NOAA confirmed El Niño’s return on June 11 and expects the event to strengthen through the Northern…

7 min read
Pollinator Decline and the Hidden Threat to Our Food Supply
Biodiversity

Pollinator Decline and the Hidden Threat to Our Food Supply

Apples, blueberries and squash depend, to different degrees, on animals visiting their flowers. Their dependence on pollination means that the health of insect populations, along with the places where they feed and reproduce, can…

8 min read
Coral-Eating Starfish and the Great Barrier Reef’s Growing Pressures
Marine Science

Coral-Eating Starfish and the Great Barrier Reef’s Growing Pressures

Dive teams were deployed between Cairns and Lizard Island in early 2026 as a new wave of coral-eating starfish developed on the northern Great Barrier Reef. The Reef Authority’s work aimed to suppress the fifth recorded outbreak…

6 min read
Arctic Sea Ice and the Winter That Failed to Rebuild It
Climate Science

Arctic Sea Ice and the Winter That Failed to Rebuild It

During winter, the Arctic Ocean loses heat and sea ice can spread across open water and thicken beneath the snow. This seasonal growth helps determine how much ice remains by spring and what condition it is in before melting begins…

7 min read
Cyclone Gezani: The Storm That Devastated Madagascar
Climate Science

Cyclone Gezani: The Storm That Devastated Madagascar

When Cyclone Gezani reached Madagascar’s eastern coast on February 10, 2026, it struck the port city of Toamasina with destructive winds that damaged buildings and essential infrastructure. The World Meteorological Organization…

7 min read
Mozambique’s Floods: When Weeks of Rain Overwhelm the Land
Climate Science

Mozambique’s Floods: When Weeks of Rain Overwhelm the Land

By late January 2026, parts of southern Mozambique had experienced weeks of persistent rain through December and January. Rivers swelled and reservoirs were overwhelmed, while satellite images showed the Limpopo and Incomati…

5 min read
Why Do AI Data Centres Need So Much Water and Power?
Clean Technology

Why Do AI Data Centres Need So Much Water and Power?

AI systems that generate text, create images and analyse information run on computing equipment inside data centres. As their use expands, more electricity is needed to operate that equipment. The heat produced also has to be…

7 min read
The Good Neighbor Provision
Environmental Policy

The Good Neighbor Provision

Understanding ozone's dual nature and the EPA's Good Neighbor Policy aimed at controlling cross-border air pollution from power plants.

3 min read
Land Degradation and the Slow Loss of Productive Soil
Sustainable Agriculture

Land Degradation and the Slow Loss of Productive Soil

Continued crop production does not always mean that soil remains healthy. Fertilizer and other inputs can maintain harvests while the land becomes less able to support plant growth on its own. This can make degradation difficult to…

5 min read
Electronic Waste: What Valuable Metals Are in Discarded Devices?
Clean Technology

Electronic Waste: What Valuable Metals Are in Discarded Devices?

When a phone’s screen breaks or a component fails, the metals inside it do not necessarily lose their usefulness. Copper, gold and other materials may still be recovered, but they first have to be separated from a device in which…

6 min read
Textile Waste: Why Are Blended Fabrics So Difficult to Recycle?
Clean Technology

Textile Waste: Why Are Blended Fabrics So Difficult to Recycle?

A shirt containing 60% cotton and 40% polyester combines materials with different chemical properties. These differences become a problem during recycling, since a treatment that removes one fibre can damage the other and make it…

7 min read
Lithium Extraction and the Environmental Trade-Offs of Battery Production
Clean Technology

Lithium Extraction and the Environmental Trade-Offs of Battery Production

Lithium has to be extracted and processed before it can be used in a battery. Producing a material pure enough for manufacturing connects electric vehicles and energy storage with mines, chemical plants, and the surrounding…

8 min read
Landfill Methane: The Climate Cost of Buried Waste
Climate Science

Landfill Methane: The Climate Cost of Buried Waste

Food waste can continue contributing to climate change after it has been buried. As oxygen is used up inside a landfill, the microbial processes breaking down the food change, eventually producing methane. This powerful greenhouse…

7 min read
Sand Mining and the Reshaping of Vietnam’s Rivers
Water Conservation

Sand Mining and the Reshaping of Vietnam’s Rivers

River sand is widely used to build roads and homes, but removing it also changes the place it comes from. The sand forms part of the riverbed, influencing the channel through which water and sediment move. When it is extracted…

5 min read
Sinking Cities: The Hidden Cost of Groundwater Extraction
Water Conservation

Sinking Cities: The Hidden Cost of Groundwater Extraction

Cities use groundwater to supply homes, businesses and agriculture, but sustained extraction can also affect the ground beneath them. In vulnerable aquifers, pumping causes underground sediments to compact and the land surface to…

6 min read
How Is Solar Power Changing the Global Electricity Mix?
Renewable Energy

How Is Solar Power Changing the Global Electricity Mix?

Solar power is supplying a growing amount of the world’s electricity. In April 2025, Ember’s Global Electricity Review, released on 8 April, reported that renewables and nuclear together supplied 40.9% of global electricity in…

5 min read
Endangered Fungi: The Overlooked Species Supporting Our Ecosystems
Biodiversity

Endangered Fungi: The Overlooked Species Supporting Our Ecosystems

Fungi help plants obtain nutrients and break down dead material, but their decline can be difficult to notice because much of their activity is hidden. An expanded assessment by the International Union for Conservation of Nature…

5 min read
Beavers Return to England: Rewilding Through Nature’s Engineers
Biodiversity

Beavers Return to England: Rewilding Through Nature’s Engineers

After being hunted to extinction centuries ago, beavers have returned to England. Their presence can change the rivers around them, as dam building, channel digging and tree felling turn sections of stream into ponds and wet…

7 min read
Forever Chemicals: The Growing Cost of Cleaning Up PFAS
Water Conservation

Forever Chemicals: The Growing Cost of Cleaning Up PFAS

PFAS pollution can remain long after the products containing these chemicals have been used and discarded. In January 2025, the Forever Lobbying Project, a collaboration between journalists and scientific experts, investigated what…

6 min read
Natural Hydrogen and the Search for Energy Beneath the Earth
Renewable Energy

Natural Hydrogen and the Search for Energy Beneath the Earth

When a borehole was drilled for water near Bourakebougou, Mali, in 1987, it encountered something that would eventually draw attention far beyond the village: naturally occurring hydrogen. Years later, analysis showed that gas from…

6 min read
Carbon Credits and the Challenge of Proving Real Emissions Cuts
Climate Policy

Carbon Credits and the Challenge of Proving Real Emissions Cuts

Protecting a forest can help the climate, but claiming that the payment compensates for emissions somewhere else requires more explanation. The trees might have remained standing without the money, logging could move to…

7 min read
Cement’s Carbon Footprint and the Search for Cleaner Construction
Clean Technology

Cement’s Carbon Footprint and the Search for Cleaner Construction

Producing the materials for a building releases greenhouse gases before anyone begins using it. Cement accounts for a substantial share of this footprint: an October 2024 account from UCLA put its production at about 8% of global…

6 min read
The Klamath Dam Removal and the Return of a Free-Flowing River
Biodiversity

The Klamath Dam Removal and the Return of a Free-Flowing River

On August 28, 2024, crews breached the last temporary barriers at the former Iron Gate and Copco No. 1 dam sites, allowing the Klamath River to flow through its historic channel again. Salmon now had a route they had been unable to…

6 min read
The Mystery of Dark Oxygen on the Ocean Floor
Marine Science

The Mystery of Dark Oxygen on the Ocean Floor

Andrew Sweetman and his colleagues were studying a seafloor about four kilometres beneath the Pacific Ocean, where animals and microbes consume oxygen. Yet the oxygen recorded by their instruments kept increasing. Sweetman,…

5 min read
Conflict Debris and the Environmental Cost of War in Gaza
Environmental Justice

Conflict Debris and the Environmental Cost of War in Gaza

Israel’s bombardment of Gaza has left homes and neighbourhoods in ruins, with concrete, roofing, wiring and household possessions covering places where people need shelter and hope to rebuild. As this material remains in…

6 min read
The Cicada Emergence and Its Ripple Effects Through Food Webs
Biodiversity

The Cicada Emergence and Its Ripple Effects Through Food Webs

In spring 2024, periodical cicadas emerged across parts of the central and eastern United States as two broods reached the end of their underground development. Brood XIII followed a 17-year cycle, while Brood XIX followed a…

6 min read
The Water Trade-Offs of Tree Planting in Drylands
Water Conservation

The Water Trade-Offs of Tree Planting in Drylands

Trees can hold soil in place, shelter farmland from wind and store carbon, making them useful for restoring damaged landscapes. But in drylands, rainfall is limited relative to the atmosphere's demand for water. Growing more…

6 min read
My First MUN Conference: The Climate Crisis
Climate Policy

My First MUN Conference: The Climate Crisis

My experience representing Japan at my first Model United Nations conference, debating UNFCCC action steps and proposing fusion nuclear reactor solutions.

5 min read
China's Cities are Sinking
Urban Environment

China's Cities are Sinking

Satellite data reveals alarming land subsidence across Chinese cities, with 45% of urban areas sinking and 270 million people at risk.

3 min read
Cleaner, Cheaper Sodium Batteries
Clean Technology

Cleaner, Cheaper Sodium Batteries

LESC researchers combine sodium ions, solid-state electrolytes, and anode-free design to create a groundbreaking eco-friendly battery that could transform renewable energy storage.

8 min read