Tag Archive | environment

How to Calculate Greenhouse Gas Emissions



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Learn the steps involved in calculating your company’s greenhouse gas emissions from bill and utility meter data. Covers use of emission factors and global warming potentials.

DISCLAIMER: This presentation is provided for informational purposes only. All definitions and methodologies are presented in a general context only. This presentation is not a substitute for formal education and training.

Why reducing our carbon emissions matters (a little story about climate change)



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While it’s true that Earth’s temperatures and carbon dioxide levels have always fluctuated, the reality is that humans’ greenhouse emissions since the industrial revolution have put us in uncharted territory.

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Written by Dr Benjamin Henley and Assoc Prof Nerilie Abrams.
Animated and edited by Wes Mountain for The Conversation.
Music: Kevin Macleod – Faster Does It

Green Citadels. Explore eco-friendly earthships with sustainability pioneers



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Michael Reynolds had a dream. The architect wanted to build completely self-sufficient houses that are part of the environment, rather than a burden on it.

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An ideal home would be made from recycled materials, maintain a comfortable climate, generate sustainable power from renewable sources, treat its sewage, and provide clean potable water, as well as food, for its inhabitants.

He built his first ‘Earthship’ in 1972 almost entirely from empty soda and beer cans and rammed earth. Now he is the prophet of a movement that advocates “radical sustainability.”

Today, a 634-acre subdivision near Taos, New Mexico, dubbed the ‘Greater World Community,’ is dotted with off-grid homes based on his designs. Meanwhile, an Earthship Academy has opened to teach people from all over the world how to build homes and other buildings based on ‘biotecture’ principles.

Earthships are not without controversy. Their designs have fallen foul of the authorities for violating building codes, and some owners have complained their homes have not performed as advertised. Meanwhile, some places have banned off-grid living altogether.

Follow RTD filmmaker Alexey Brazhnikov as he meets Michael Reynolds and visits some of these amazing structures and their owners in the documentary Earthships.

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Top 10 Ingenious Renewable Solutions To The Worlds Energy Crisis



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Each passing day, we come up with alternative ingenious renewable energy solutions that are cleaner, more efficient, sustainable, and renewable. Here are some ingenious alternatives!
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Be Amazed at these top 10 renewable energy solutions! Algae – Though a green eyesore on the water, algae’s potential was first suggested in 1942 as a source of food and fuel. It wasn’t taken seriously till the 1970s, however, when oil prices surged due to the oil embargo, forcing the US government to look into it. Carnegie Wave Energy – Australians have taken their love of surfing above the waves to another level – harnessing the power of waves below the surface thanks to Carnegie’s CETO technology. Tidal Power – A few other ways of harnessing tidal power include using Horizontal Axis Tidal Turbines . Osmotic Power – Osmotic power is generated when salt water meets fresh water – something that happens in nature when rivers flow to the sea. Solar and Wind Power – Why use solar panels when you have to deal with the night, bad weather, and cloudy days? By putting a solar array in space, we can have unlimited access to solar power which can be transmitted to homes in much the same way as cable channels.

Human Power – While pedal power has been around for a while, foot power is new thanks to Pavegen – a company that harnesses the power of footsteps. Lava Geothermal Generators – Iceland already uses geothermal energy from its many steam vents, but in 2014, it accidentally dug directly into a magma chamber. Turbulent Micro Hydro Power Plant – Turbulent came up with a simple whirlpool turbine that can power dozens of homes using the power of rivers and canals without harming fish. Batteries – The problem with solar and wind power lies in the fact that these sources of energy tend to be generated when they aren’t always needed. Windmills – Texas prides itself on big things, but researchers at the University of Texas Arlington bucked that trend with micro-windmills .

Top 10 Eco Friendly Cities in the Wolrld (Part 2)



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Top 10 Eco-Friendly Cities
Many countries and city governments have been taking action in order to clean up the messes of the past. Ecology has become one of the major philosophies in all societies, as we, as a people, have a goal to leave the Earth for our descendants in a better state than when we found it. If we can follow the example set by these Top 10 Eco-Friendly Cities of the world, we’ll be well on our way to sustaining Earth for many more generations to come.

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5. San Francisco, United States
San Francisco used to be a capital city of the Hippy movement, but it would be wrong to say that this is the only reason this city is one of the greenest around the globe and the most ecological in North America. This city was the first in the United States to introduce the coloured bins recycling system to homes and workplaces, making recycling easy and accessible, and more importantly — legally obligatory. The fantastic public transport system and government’s encouragement for people to use more electric cars also helped San Francisco to be one of the eco-friendliest cities in the world.
4. Singapore
The greenest city in Asia also sets a good example when it comes to dealing with environmental issues. Singapore’s huge, revolutionary public transport system is what gave the city the green title. Moreover, the number of water wastage in Singapore is remarkably smaller when comparing it to Asia’s average number. If the average Asian index of water waste is 380kg per person, then Singapore’s is approximately 300kg. In addition to that, every household in this city can easily recycle due to the widely distributed recycling containers.
3. Curitiba, Brazil
Believe it or not, the Brazilian city of Curitiba is one of the eco-friendliest in the world, and surely the most ecological place in Latin America. The residents of Curitiba boast an amazing 70% recycling rate of the city’s waste. Also, Curitiba achieved the greenest city award by developing one of the biggest bus and public transport systems in the region. Moreover, the city’s government works hard to make the world a greener place by planting more than 1 million trees around the streets and highways.
2. Helsinki, Finland
Helsinki is another city that’s leading the world in beautiful design and eco-friendliness. In 2012, the city was named the World Design Capital due to its sustainable developments, complex and green energy systems, and its efficient public transportation systems. In terms of citywide landscaping, the way the people of Helsinki have maintained their gorgeous city is a testament to their taste and eco-initiative.
1. Copenhagen, Denmark
Due to its eco-innovation and sustainable employment initiatives, Copenhagen is consistently ranked as the number one ecologically advanced city in the world. Considering the city intends to be carbon-neutral by 2025, it’s likely that the city will retain their spot at the top for many years. With its many bike paths and clean, cobbled streets, Copenhagen isn’t just green, it’s also beautifully landscaped too.

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