Monthly Archives: May 2015

Improving solar panels with black silicon. “Black silicon is silicon with a highly textured surface of nanoscale spikes or pores that are smaller than the wavelength of light. The texture allows the efficient collection of light from any angle, at … Continue reading →

What governments can do to help the green movement. The most effective measure, a direct tax on carbon, is probably the least likely to gain acceptance. Carbon trading schemes are more likely to be accepted, and would help, but not … Continue reading →

New El Nino forecast. The process, which is already said to have taken effect, is now expected to be “substantial” over the remainder of 2015. It should provide us with a series of major news events, including new temperature records. … Continue reading →

Massive road-building in wilderness areas. It’w happening now, and expected to accelerate. The numbers of miles (and dollars) are staggering, and so is the level of support coming from major banks, governments and economists. What happens to wildlife or the … Continue reading →

An analysis of the proposed Nicaragua canal. There are no direct climate implications to speak of here, but there is an indirect connection. That is, the environmental damage is obviously enormous, even before considering unknown side effects, but all that is … Continue reading →

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Monthly CO2 report. Again, the year-over-year increase for the month is almost exactly 2 ppm, continuing a pace that has been in effect for this entire century. At least there is no sign of acceleration, but at this steady rate … Continue reading →

James Hansen thinks the 2-degree safety target is a prescription for disaster. His main point, based on studies of paleoclimate history, is that we could expect a total sea level rise of six to eight meters over time by reaching … Continue reading →

An immediate problem for climate negotiators—carbon-emitting infrastructure is still being built. A new report that focuses on this very disturbing problem has just been issued by the International Energy Agency. This has to be taken seriously. The IEA has very conservative … Continue reading →

How permafrost melting affects the “carbon budget.” Here it is all clearly spelled out. When you add feedback carbon to that which humans emit directly the remaining carbon budget gets used up much more quickly than advertised. The new studies … Continue reading →