At a rate of about a dozen a week, I’m approached with ideas in clean energy/transportation. Here’s an imprecise breakdown of my response to these concepts I’ve received over the last three years:

2%: Crackpots. An attempt to raise money to build a prototype of some that is theoretically impossible, (more…)

We frequently come across the concept of “accelerators,” i.e., forces that cause certain phenomena to speed their way into our lives. Recent examples are the adoption of the Internet and cell phones, both of which exceeded analysts’ expectations by an order of magnitude. (more…)

As the world converges in Rio de Janeiro for the biggest sustainability conference of the year, the Rio+20, twitter activity is booming. One of the most popular hashtags today was #endfossilfuelsubsidies, which aims to end subsidies for fossil fuel energy.

A sustainable future must hinge on alternative (more…)

Billions of people live without access to modern electricity services and clean energy could lift them out of the economic exclusion zone, improve their education and make their lives generally better. It can also save some lives, literally.

Of all the reasons to advocate clean energy, this may (more…)

Here’s a report of macro-trends observed by venture capital giant Kleiner Perkins. To me, the most noteworthy thing about it is the concept that Kleiner managing partner Ray Lane explained in a conversation he and I had in his office last year: investment in clean energy is capital intensive and requires patience; (more…)

Europe’s ‘economic powerhouse’ can add solar to its epithet. Germany’s solar power plants reached a generation milestone of 22 GW of electricity per hours. That is the same as 20 nuclear power stations at full capacity.

According to a Reuters report, that amount of (more…)

While many government officials nervously await the outcome of the November elections and speculate as to its implications for the cleantech sector, one federal department is likely to be relatively unaffected regardless of the outcome: Defense.

According to panelists at the recent “Mission Critical: (more…)

A new study finds that the average American would be willing to pay slightly more for clean energy in support of government initiatives to promote low-carbon electricity generation.

In a national survey conducted last year, researchers from Yale and Harvard universities found that (more…)

Excellent news for solar in Arizona: late last week, the State Legislature put the final kibosh on a bill that would have permanently capped the amount of clean energy used by Arizonans. With your help we’ve been working to defeat the dangerous and misguided HB 2789, which would have prevented any future increase in the state’s clean energy standard. (more…)

Summer is nearly here, and we’re urging Albany to put more of that New York sunshine to work already! It’s time to show lawmakers that solar power is a priority for New Yorkers.

We’re teaming up with an incredible group of organizations to do just that at free community (more…)