Can we afford not to change?

Not rebuilding for tomorrow

Renewable or not?

Centre’s regulations do not specify whether cogenerated power is renewable, leaving industrial units which recover waste heat in a fix

Our smaller future

Mind the mercury

Why no one is checking how mercury-laden CFLs are handled and discarded

Germany in transition

From an economy addicted to coal and nuclear energy, Germany is fast transforming into one driven by renewables. Its aim is to demonstrate to the …

Time for dual standards

A separate time zone for the Northeast can increase productivity at work, save energy

The light bulb moment

Citing energy efficiency and durability, industry has put LED lights on a pedestal. But is it really time to bid adieu to CFL and the humble …

Visibly efficient

Embodied energy demystified

Building materials are much more energy-intensive than perceived. India lags in taking steps to reduce their use

House that

Keep it flowing

Tour of a house that thrives on air circulation, saves energy cost

Confusing signal

As the government rushes to digitise cable TV network, analysts say it will only add to the burden of consumers

Energy fixing

Bureau of Energy Efficiency says it is likely to meet Plan target. Experts say claims far from truth

Too cool for comfort

How rising incomes are lowering room temperatures at the cost of energy, health and comfort

Power hat trick

Tri-generation systems use one fuel for simultaneous heating, cooling and power generation

Lighting up hearts

A hospital for cardiac patients in Ahmedabad is sunlit to cheer up patients. It saves energy, too

A thin green coating

No check on performance of green-rated buildings; developers pocket government incentives

Greenest of all

Model building design that helps save energy and money by exploiting the sun’s movement

Green home

Simply creative

General principles of architecture are imaginatively applied to create a green building in Gurgaon

Losing light

Bachat Lamp Yojana flounders. Investors say faulty mechanism makes it a bad deal

Let there be CFL

See the light CFL is becoming popular in India with a little help from government schemes. But its wide-scale use requires regulation

No climate for cleantech

Most of the clean energy innovations are with just six rich countries and hardly any technology is coming to developing nations

Climate inaction