Throughout the media we have recently been bombarded with messages on global warming, green house gas emissions, rising ocean levels, carbon offsets and international protocols. Political leaders support various policies, suggest alternatives and try to find compromise solutions. The socio-political landscape is constantly changing and this can overshadow the key issues.
As scientists, working in healthcare, we have a responsibility to understand these issues, to take corrective action and to educate others.
Our industry, through its reliance on large scale manufacturing, complex supply chains, the utilization of vast resources, the generation of significant waste, and the employment of millions of people, consumes a large amount of energy. When this energy is obtained by the burning of fossil fuels high concentrations of carbon are released, and when this carbon reacts with oxygen, CO2 is produced.
The CO2 contributes to global warming by absorbing heat energy from the earth, trapping it and preventing its release into space, thus causing global temperatures to rise.
Industry is responding through the adoption of global environmental policies, and at the local operational level there's a lot that we, as individuals, can be doing to decrease our carbon footprint.
In our own office we have an Environmental Policy with the guiding principles of Educate, Reduce and Offset. We have adopted many initiatives (listed below) recommended by our Environmental Partner, Greenfleet, and continually review and improve our approaches. Through education everyone’s awareness increases and improvements at the local business level are easy to implement.
After the burning of fossil fuels, land clearing is the second greatest human activity that increases the concentration of CO2 in the atmosphere. Because trees and other plants remove CO2 through photosynthesis, the destruction of forests slows the removal of CO2, resulting in greater concentrations in the environment because there are fewer plants and trees to remove it.
Through our sponsorship of Greenfleet we donate one tree for every recruitment assignment we work on. We chose this on the basis that when candidates visit us to discuss employment opportunities, or when they attend interviews with clients, they will be using transportation (private cars or public transport) which consume fossil fuels and produce pollution and CO2. The planting of native trees via Greenfleet absorbs this CO2 and offsets the emissions. Since we have commenced this programme we have contributed 1639 trees (http://www.greenfleet.com.au/Greenfleet_supporters/Promotional_offers/index.aspx). In other businesses the performance metrics for deciding how many trees to plant would be different eg plant 1 tree for every patient enrolled in a clinical trial, or 100 trees for every regulatory or reimbursement submission.
Since the Greenfleet program commenced in 1997, they have planted more than six million native trees on behalf of individual and business supporters. These trees are helping to revegetate around 300 degraded sites throughout Australia.
Greenfleet works to create forests in areas of environmental concern, putting back the mix of native species that would have been present in the local area prior to land clearing. In addition to absorbing greenhouse gases, these biodiverse forests also help to: reduce salinity and erosion, improve water quality in rivers and streams, provide habitat for native wildlife, and provide windbreaks and shelter for crops and livestock.
The facts are that over the years human activity has dramatically changed the environment in which we all live. With the two main human activities increasing the amount of CO2 in the earth's atmosphere being fossil fuel burning and land clearing, adopting policies to Educate, Reduce and Offset will improve the environment in which we all live.
Tips to assist businesses decrease their environmental impact:
(Source: Greenfleet http://www.greenfleet.com.au/Global/Organisations/index.aspx)
Travel:
1. Consider alternatives to face-to-face meetings eg email, phone conversation, video-conferencing, internet-conferencing.
2. Encourage staff to travel via public transportation to work appointments. Purchase tickets in advance and keep them in a central location with timetables.
3. Travel by public transportation in other cities and countries.
4. Catch the airport bus / train between airports and cities where they operate; or share a taxi with someone.
5. Carpool to meetings.
6. Provide preferential car spots for carpoolers.
7. Provide a carpooling section on the Intranet.
8. Counteract the impact of greenhouse emissions by contributing to airline Carbon Offset programmes
9. Locate your offices near public transport hubs.
10. Encourage active forms of commuting to work eg walking, running, cycling.
Staffing and Human Resources:
1. Provide remote access so that staff can work from home.
2. Provide shared hot desks between a number of staff to reduce your physical space requirements (and therefore less lighting, heating and cooling).
3. Recruit locally to reduce the distance that staff need to travel to/from work.
4. Provide facilities (showers, change rooms, lockers) to encourage staff to work/cycle to work.
5. Promote flexible work hours so that staff don’t spend time idling in congested traffic.
6. Develop a green team for your workplace to drive environmental programmes.
7. Offer gift matching for donations to environmental charities
Water:
1. Install water efficient products in workplace kitchens, bathrooms and toilets.
2. Ensure dishwashers are only used with a full load - they use the same amount of water whether full or almost empty of dishes.
3. Analyse water use in operational processes and look for opportunities to reduce consumption or re-use water.
4. Waste hot water from industrial cooling processes can be used as a heating source for another process / workspace, which in turn cools the water.
5. Investigate options to use non-potable water (water that is not treated to drinking quality) for processes that don't need the water (or the resulting product) to be consumed.
6. Consider using the roof for rainwater collection.
Utilities:
1. Change your thermostat for Summer and Winter. Set your thermostat to 18-20°C in Winter and 26°C in Summer - and let people use clothing and fans to regulate temperature to suit their individual preferences.
2. Turn off lights when they're not needed. Install sensors so that lights only operate when needed.
3. Remove excess light bulbs to cut down on energy consumption.
4. LCD screens use less energy than old fashioned monitors.
5. Turn off computers, monitors, printers, and photocopiers overnight and when not in use for long periods during the day. Use the 'standby' settings to minimise power consumption in these items for short periods of inactivity.
6. Move office equipment away from air-conditioning thermostats. Printers, photocopiers, etc., produce heat when operating which can lead to false readings on thermostats, causing air-conditioning to work overtime.
7. Purchase accredited GreenPower. Accredited GreenPower ensures that energy sourced from wind, solar or other renewable sources is fed into the electricity grid on your behalf.
Waste:
1. Cut down. Reducing your consumption reduces both the embedded energy lost and the amount going to waste.
2. Rather than printing can you read the material off the computer screen instead.
3. Can you print on both sides of the paper?
4. Rather than printing lots of glossy brochures can you direct people to your website.
5. Monitor the amount of food you use during meetings and order less next time.
6. Repair, refill and re-use items where possible. If you do upgrade, your older products may still be useful to a school or community group.
7. Recycle materials instead of sending them to landfill.
8. Buy recycled products - or those with some recycled content.
Buildings:
1. When considering an office relocation look for buildings with awnings, eaves, trees, shade sails to reduce the amount of summer heat and reliance on air conditioning.
2. Open windows if you can. Natural air flow will help to cool the office and also reduce your reliance on the air conditioner.
3. Take advantage of natural light by placing desks near windows and moving meeting spaces to internal areas of the building where artificial light can be used only as needed.
4. Install timers and / or sensors for heating/lighting and air-conditioning systems, so that they are not operating at night, or over the weekend.
5. Insulate your building to prevent the transferrence of heat and cold between your building and the outside environment, thus reducing the need for artificial heating and lighting.
6. Location - Positioning your office close to the people you work with will reduce the emissions associated with transportation and freight.
Freight and Logistics:
1. Does the parcel really need to be immediately delivered (and hence an additional trip), or can it wait for a regular scheduled delivery.
2. Consider a local bicycle courier for smaller items.
3. Planning your deliveries outside of congested peak periods saves fuel.
4. Develop a multidirectional distribution system to limit empty trucks en-route.
5. Consider rail freight – it offers significant emissions savings over air-freight.
Through adopting these initiatives businesses will also enhance their processes, achieve operational efficiencies, reduce costs and reduce their impact on the environment.
So there's a lot we can be doing at the micro-level. We each have a responsibility to understand the issues and to do something about it. As scientists, working in healthcare, we can educate our local organizations to progressively reduce the carbon footprint through waste reduction, the use of renewable energy resources and involvement in carbon-offset programmes.










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