Clarifying the economic value of adjusting power consumption

Since the output of renewable energy such as photovoltaic generation tends to fluctuate, the power system can be viewed as a large-scale complex system with uncertainty. To stabilize the balance of supply and demand of electricity, ...

Traffic congestion reconsidered

Despite efforts to encourage a shift to sustainable transportation, traffic congestion is often the focus of debates over mobility. Global demand for automobiles rose significantly in the 1990s, with annual sales stabilizing ...

Promoting smarter ways to mine within fragile forests

Many of the planet's most valuable mineral resources are to be found within and beneath forested landscapes. And our insatiable appetite for material goods and services—everything from basic essentials to the latest, must-have ...

Perfume makers seek natural, sustainable scents

In 1921, perfumer Ernest Beaux discovered that adding synthetic aldehydes to natural rose and jasmine scents produced just the right fragrance combination for the iconic CHANEL No. 5 perfume. Today, perfume makers have more ...

Hyundai Motor swings back to black with Q1 profit

South Korea's largest automaker Hyundai Motor bounced back in the first three months from its first quarterly loss in eight years on strong domestic demand for its new sport utility vehicles, the company said Wednesday.

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