It is shocking to learn that there are people who pay more than Rs. 200 per month to light a 5W CFL lamp powered from the community generators during load shedding hours in Kathmandu. The cost of electricity in such schemes is Rs.
Vertical gardens seem to be all the rage these days. We can't necessarily blame the trend for being so popular, considering they save on space, occupy an otherwise empty wall and can even anchor a room, in some cases.
Zee News Solar plane inspiration for sustainable development: UN chief Zee News Solar plane inspiration for sustainable development: UN chief United Nations: Applauding the first cross US journey of the solar-powered plane, UN Secretary General Ban...
Sustainable Development Starts With Children, Youth & Women Scoop.co.nz (press release) First, the progress of children, youth and women is a major driver of sustainable development; second, children, youth and women are stakeholders in a...
Since the invention of the steam-machine in the 17th century we have come a long way in our energy supply and usage. We have created worldwide energy networks that deliver electricity to 75% of the world.
Due to big data we can now take the next step in the evolution of energy. Big data can turn the existing old energy network into smart networks that understand individual energy consumption. This will increase efficiencies, lower prices and reduce our carbon footprint.
In the (near) future, more and more appliances will have sensors. These sensors enable bi-directional communication between energy companies, smart meters and appliances in homes. When all appliances are connected to the internet via sensors, the energy consumption of individual devices can be monitored and adjusted if needed. More and more energy organisations are developing smart meters that already record consumption of electric energy in intervals. This information is returned to the energy company and it enables energy companies to understand and predict energy demand. It is only a matter of time before this is possible in real-time.
When more devices have sensors, products will be able to talk to each other as well as to the different networks. This will help energy companies to better understand and manage the energy utilization across their network. This is especially useful and important for the future of electric cars. Energy grids will not be able to cope with the peak in demand when consumers get home after work and plugin their electric cars all together. The more devices that have sensors and can talk to the energy network, the better energy companies can manage the distribution of energy across its network.
A true smart grid, however, is still far away. According to Bob Metcalfe (co-inventor of the Ethernet), a smart grid can deliver “squanderable abundance of cheap and clean energy.” He has created a vision for an internet-influenced smart grid called “Enernet”.
In this letter, we investigate the effects of crop yield and livestock feed efficiency scenarios on greenhouse gas (GHG) emissions from agriculture and land use change in developing countries. We analyze mitigation associated with different productivity pathways using the global partial equilibrium model GLOBIOM. Our results confirm that yield increase could mitigate some agriculture-related emissions growth over the next decades. Closing yield gaps by 50% for crops and 25% for livestock by 2050 would decrease agriculture and land use change emissions by 8% overall, and by 12% per calorie produced. However, the outcome is sensitive to the technological path and which factor benefits from productivity gains: sustainable land intensification would increase GHG savings by one-third when compared with a fertilizer intensive pathway. Reaching higher yield through total factor productivity gains would be more efficient on the food supply side but halve emissions savings due to a strong rebound effect on the demand side. Improvement in the crop or livestock sector would have different implications: crop yield increase would bring the largest food provision benefits, whereas livestock productivity gains would allow the greatest reductions in GHG emission. Combining productivity increases in the two sectors appears to be the most efficient way to exploit mitigation and food security co-benefits.
STOCKHOLM (AP) — The world's energy-related carbon dioxide emissions rose 1.4 percent in 2012 to a record high of 31.6 billion tons, even though the U.S. posted its lowest emissions since the mid-1990s, the International Energy Agency said Monday.
carbon footprint by country This original visualization by Stanford Kay shows total carbon emissions by country. Using different colors to differentiate each region, the size of the circle depicts the carbon footprint of each country ...
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