Yearly Archives: 2011

Transportation – Part 3: Energy Conservation and Alternative Fuels

According to Ward's Auto there are more than 1 billion automobiles and light trucks on the road today with forecasts reaching 2.5 billion by...

Transportation – Part 2: Urbanization and Population Growth

Modern urban communities are knit together by transportation arteries. Some of these arteries are rail. Some are roads. Urban communities on rivers, lakes and...

Transportation – Part 1: Where We Will Go and on What in the 21st Century

The 20th century was the age of the internal combustion engine just as the 19th was the age of steam. Humanity went from horse...

Energy in the 21st Century – Part 8: Waste as an Energy Source

What's does humanity output more than anything else? Garbage...about 5 billion tons of it a year. When you consider that the planet's population is...

Energy in the 21st Century – Part 7: From Biomass to Biofuels

Humanity has relied on biofuels since first mastering fire. Until the Industrial Revolution peat, wood, charcoal, whale oil, and plant oils represented the biofuels...

Geoengineering — Part 2: Climate Science and Climate Change

In a blog devoted to 21st century technology why are we discussing climate change? Because if climate is changing, and the evidence strongly suggests...

Geoengineering – Part 1: Reworking Our Planet’s Atmosphere in the 21st Century

Climate change as a result of human activity on Earth is a science that has more and more taken on credibility as we track...

Energy in the 21st Century – Part 6: Storage

Generation of electricity represents one-third of the energy equation. The second component is transmission. The third is storage. Renewable sources such as wind, solar,...

Energy in the 21st Century – Part 5: Nuclear

The promise of unlimited nuclear energy using fission and fusion has been dealt several setbacks over the years. Accidents at fission reactors like Three...

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