'water' By chanda mhango The concerns on water usage can not be over emphasized.More effort need to be put in place on water usage awareness on both developing and the developed countries. Developing countries need more help from World Bank/IMF to clean water access while on the other hand an economical price tag need to be tied to water in developed countries as one of the solution to curb wastage Chanda mhango-zambia

'Environment friendly Waste to Energy Solutions' By Jeffrey Levine Why persist with incineration, when there better waste to energy solutions available. s

'more on offsetting' By Sam Bond Looks like the ENDS report has done a Which? and published an analysis of the offsetting market, offering advice on which types of offsets are likely to do what they say on the tin and which to steer clear of. It may not be the complete solution, but certainly helps to build up a picture of who is reliable and where the cowboys are.

'fuel cell motorbikes' By A Powell One safety feature of motorbikes is the noise. How do fuel cells compare with batteries? How will they compare in future? There is electricity supply infrastructure already; not so hydrogen.

'editor's note' By Sam Bond Both of these subjects were raised at the seminar. Individual metering was seen as a partial solution to the problem of leaking pipes with the agrument going that it moves the problem away from customers and firmly onto the shoulders of the water company with the leaks. The greywater argument was more controversial, with some agreeing with your point whilst others suggested that introducing a separate mains water supply for toilets - and indeed washing machines, gardening, car washing etc - would be expensive, inefficient and not necessairly environmentally beneficial. Their argument was, it would seem, that energy (and money?) would be better spent in trying to persuade individuals to introduce rainwater storage, greywater recycling, water efficient appliances and similar water conservation measures in their own homes.

'water efficiency' By becky ferry As said during a discussion on Radio 2 this week, until manufacturers & designers acknowledge that it is disgraceful to use clean, drinkable water to flush lavatories & water companies improve their infrastructures of leaking pipes, the country is not going to improve on water efficiency.

'Reuters and Cornish Wind Energy' By Juliet Bird What happens to the news when the wind stops blowing?

'Old news' By Richard Crowhurst (www.enagri.info) This study has already been widely discussed elsewhere since its publication almost two months ago. Did Professor Searchinger respond to any of the people who have criticised his methodology?

'Jet plane biofuel.' By Harry Hart, Global Eco Babassu nuts were suggested by Lawrence D Hills, founder of Henry Doubleday Reearch Association (HDRA) about twenty years ago when working with our plans to solve climate change by taking the carbon out of the air and using it to make world resources. It's simple, easy and could solve climate change in about 3-4 years but no one is interested because it is a multi-disciplinary approach in an age of specialists.

'Bit pricey...' By Mr Motor A 120,000 price tag? Great, another car for the common man. What's the point?

'...paved with good intentions?' By greg lutton I applaud the concept of political administrations engaging in information exchange networks. However, whilst the idea of commercial enterprises involving themselves in freely sharing information relating to technological advances in climate change mitigation and adaptation appears attractive in the abstract, I am a little worried that the unintended effect would be that smaller firms will have no incentive to innovate in this area. This could fairly quickly leave the field free for a few large corporations to dominate the market and ultimately control the (price of the)technologies.

'Is it just a publicity stunt?' By David Ackrill I offered my services, as a Carbon Trust Accredited energy consultant, free of charge on February 29th to the National Trust and I did not even get the courtesy of a reply... Is this all just a stunt by the National Trust to get free publicity? Dave Ackrill

'Pollution leads to wetter week days ' By A Powell In the UK, back in the petrol strike, we had glorious cycling weather. When petrol hit the pumps, we got floods.

'Publishers using recycled paper' By C K Jackson-Houlston Congratulations on picking up this. Well done on your own performance.

'publishers using recycled paper' By Carolyn Cross Resource Media we have a policy of 100% post-consumer paper use for all our regular magazines and wherever possible in one-off jobs. I think I can confidently say that we never use less than 75% recycled and this only when a client's specifications are not met by our standard papers. I appreciate that we are a much smaller company, but in some ways this means we do not benefit from the economies of scale enjoyed by some larger groups, so if we can do it, so should they. Carolyn Cross Editor Resource Media

'Every bit helps' By Rich Chandler I live by the Severn Estuary and have mixed feeling about the Barrage proposals. However I dont think the time variance of tidal generation is an arguement against it. If there is a good mix of energy sources than any carbon dioxide free contribution is welcome. Clearly we could not rely solely on renewables, but this is a discussion for when we have a significant proportion from them.

'energy efficiency' By Janette Cullen I agree, I work in a government building, there is little recycling, only for paper / card. No ISO14001, monitors & PC's left on overnight, no environmental training given to staff, little awareness of resource depletion e.g. lots of plastic bags used when sustainable containment would be more appropriate.

'Make 1% - 50%' By sonia www.isanyonegoingto.com is a free to use social netorking car share site...

'Health issues' By Ralph Mercury is the least of our worries I think: "Energy-saving light bulbs blamed for migraines" - Telegraph Jan 2008 "Energy-saving light bulbs 'are threat to epileptics'" - Daily Mail June 2007 "Low-energy bulbs 'could cause skin cancer'" - Telegraph Jan 2008 "Low-energy bulbs 'worsen rashes'" - BBC Jan 2008 Need I go on?

'The Government should lead' By Rich Chandler There is much to encourage us to save energy and reduce our carbon dioxide emissions, However there are large number of citizens including me who want to see the Government take a lead. I ve done the easy stuff 30 cm loft insulation, replaced all incandescent light bulbs at home, small car (1 litre engine), and catch trains when I can but then I see the Government is promoting expansion of air travel, particularly at Heathrow. Why should I beat myself up up when the Government is so widely different in what it practices to what DEFRA preaches?

'Its not cold all the time!' By Rich Chandler If a home is significanly warmed by incadescent lightbulbs then it must be much better insulated than mine is! Anyway what about most of the year when it is still dark every night but there is no need for heating - then the inefficient light bulbs are wasteful as we all know. For the legitimate concern about the constituents see http://www.rsc.org/chemistryworld/News/2008/January/07010803.asp

'The Game is Up!' By Ian Bitterlin Finally something to make the crazy rush to replace incandescent light bulbs in the UK domsetic market stutter. In the UK we turn on our lights when it gets dark. Most of the time when its dark its winter. For all of the winter most people have the heating turned on (the lucky rich ones have it 'turned up') because its cold. The good 'old' lamps were bright (unlike the new ones), contained almost no harmful substances AND gave 100% of their 'waste' into our rooms to make them warmer. The new bulbs just make people turn up their thermostats! Energy saving, my ****!

'' By Chris / Audiotechnews Thats great news. I'm gonna get me one of these electric motorbikes

'rechargeable batteries' By Simon Russell I find it amazing that the response to this issue does not include any suggestion to use rechargeable batteries. They are just as good but last 1000 times as long before needing to be recycled. Have I missed something here?

'Compostable Packaging' By JJC there's a manufacturer in the UK making compostable packaging (like compostable cutlery, tumblers etc.) and they're based in Scotland.

'' By Nick Well done john, good to see you are one of the 100 nobel prize winning scientists who agree that climate change is a problem. It will be great when the Bush regime is gone and intelligent people can get on with the real issues instead of invading countries for WOMD that have never been found

'Bali Agreement' By John Hey, EU, go ahead and knock yourselves out putting the hammer down on your industry in the name of "settled science", whatever that is. For me, I'm damned glad to have a US administration that realizes the climate change debate is ANYTHING but settled, and that seriously impairing the world's economies in the name of the religion of climate scaremongering would be criminal. But hey.....you guys in Europe that need to feel ashamed of technological progress and need to believe that we humans are seriously harming the earth....knock yourselves out!

'bimass plant in Wales' By john webb-jenkins I agree totally with Keith - it is lunacy to pretend that shipping thousands of tons of anything a quarter of the way around the world is free of charge and carbon neutral - so what about the 6 million tons of high calorific value packaging waste which is available in UK which , with the benefit of PRN's is fairly cheap and travels a much shorter distance - and please do not talk about dioxins etc - modern incinerators can deal with that without problem

'Environmentally friendly' By Keith How in the name of all that is holy can shipping timber halfway across the world and then burning it be considered environmentally friendly? Has anyone thought whether the Forestry Commission might have an interest in supplying this timber from local sources?

'' By pam scott They still have plenty of work ahead of them, for sure. Here are some more innovative ways businesses are reducing energy consumption (or at least beginning to make inroads): http://www.baselinemag.com/article2/0,1540,2219102,00.asp Also: How Green Are You? (cool slideshow) http://www.baselinemag.com/slideshow/0,1206,l=&s=&a=219767,00.asp