Author: David Leen

David is a professional manager helping different companies to integrate new techologies into their production process. His mission is to inform owners about new and developing technologies which may reduce expenses and increase income from their companies.

Nature

Infographic of environmental issues in Brazil: panels for the Amazon, the Cerrado and Pantanal, and cities and rivers with key figures on deforestation, fires, drought, sewage, floods and mining

October 24, 2026

Environmental Issues in Brazil: 7 Biggest Problems and What Is Being Done

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The 7 biggest environmental issues in Brazil, from Amazon and Cerrado deforestation to fires, floods and sewage, with the latest INPE and MapBiomas data.

Nature

Diagram of human-environment interaction in Japan: mountains and forests, rice terraces on a slope, a city on the coastal plain with a seawall, a flood tunnel under the city and an airport on an artificial island

October 23, 2026

Human-Environment Interaction in Japan: How People Depend On, Adapt To and Change the Land

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Human-environment interaction in Japan: how a mountainous, quake-prone country farms, builds and gets energy. 10 examples of dependence, adaptation and change.

Cars

Diagram of a hydrogen fuel cell car showing hydrogen tanks, fuel cell stack, battery, electric motor, air intake and water vapor exhaust

October 19, 2026

How Do Hydrogen Cars Work? A Simple Guide to Fuel Cell Vehicles

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Hydrogen cars make their own electricity on board with a fuel cell. Learn how the parts work together, how refueling works, and which models you can buy.

Cars

Which electric RV to choose

January 7, 2020

What Electric RV Better to Choose

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Camping is an amazing opportunity to relax and enjoy nature. What is more, it’s a great chance to have a lot of fun with your family …

Cars

Green cars you want to buy

January 5, 2020

7 Green Cars You Might Want to Buy

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The development of green cars is one of the most important goals of modern society. It’s no-brainer that we can’t imagine our life without vehicles but, …

Companies

companies that help the environment

November 21, 2019

5 Companies That Help Save The Environment

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There is no doubt that the climate change issue becomes more and more urgent every day. 13 out of 14 hottest years ever have been noted …