Tech & Nature – Page 2 – Nature Observer

Industrial Heat Pumps: How Cities Can Be Heated With Waste Heat From Data Centres and Sewage

Cities continuously produce enormous quantities of low-temperature heat. Servers release it while processing data, wastewater carries it away from showers and washing machines, and industrial cooling systems discharge it into…

DeKa July 28, 2026

Climate Ecology News

Carbon Polygons in Russia: An Experiment in Greenhouse Gas Monitoring and Emissions Control

Russia’s carbon polygons are specialized research territories created to measure how natural ecosystems absorb and release greenhouse gases. Forests, peatlands, agricultural soils, wetlands, grasslands, coastal zones, and permafrost landscapes can…

DeKa July 28, 2026

Crisis Global Challenges Tech & Nature

Doomsday Scenarios: What Global Catastrophes Could Threaten Human Civilization?

The phrase “doomsday” suggests the sudden destruction of the entire planet. In reality, scientists usually discuss a broader category called global catastrophic risks: events capable of causing worldwide disruption, enormous…

DeKa July 27, 2026

Crisis Ecology Global Challenges

Global Landfills: How Serious Is the Environmental Problem Today?

Landfills and uncontrolled dumps have become one of the world’s most visible environmental problems. Every day, cities generate enormous quantities of food waste, packaging, broken products, construction debris, electronics, and…

DeKa July 21, 2026

Ecology Global Challenges Tech & Nature

Landfills Explained: What They Look Like, How They Work, and What Can Be Done With Them

Landfills are often imagined as chaotic mountains of rubbish surrounded by birds, smoke, and unpleasant odors. Some waste sites really do look like this, especially uncontrolled open dumps where garbage…

DeKa July 21, 2026

Ecology Guardians of Nature Tech & Nature

Scrap Metal Recycling: What to Do With It and What Happens Next

Scrap metal is not simply unwanted waste. Old vehicles, broken appliances, construction steel, damaged machinery, electrical cables, aluminum cans, and manufacturing offcuts all contain materials that can return to industrial…

DeKa July 21, 2026

Green City Tech & Nature What if?

Energy Performance Contracts: How Cities Can Modernize Street Lighting Without Upfront Budget Spending

Street lighting is one of the most visible public services in any city. It improves road safety, supports pedestrians, helps residents feel secure, and allows public spaces to remain active…

DeKa July 21, 2026

Green City Tech & Nature What if?

The Future of Agribusiness: How Farming and Food Production Will Change in the Next Decade

Agribusiness is entering one of the most important transformations in its history. Climate pressure, population growth, labor shortages, changing diets, rising production costs, and rapid technological development are reshaping the…

DeKa July 21, 2026

Be smart Green City Tech & Nature

Hydrogen as an Alternative Energy Source: Opportunities, Limits, and Future Uses

Hydrogen is often presented as the fuel of the future. It can power fuel cells, store renewable electricity, support cleaner steel production, and replace fossil fuels in selected industrial processes.…

DeKa July 17, 2026

Green City Nourished Future Tech & Nature

Green Tariffs for Homeowners: The Real Payback of a Residential Solar Power System

Installing solar panels on a private home is often presented as a simple formula: buy a photovoltaic system, sell surplus electricity to the grid, and wait for the investment to…

DeKa July 17, 2026