[this is another Coursera course assignment] Global warming is happening. As urban dwellers, what can we do to help fight against climate change? One of the many things that we can do to help is green our cities by growing…

I compiled the following list for a Coursera course assignment: Planning. Don’t hurry your garden projects, do your homework first, so that you know your taste and your sites. If you are a new homeowner, you may want to wait…

I live in Toronto, Canada, and yes, de-weeding is a four-season job for me and it’s fun! Just imagine the fresh air, singing birds, beautiful flowers, organic tomatoes and many more! I don’t have any favourite sports, so walking is…

Coursera offers many free online courses related to climate change, energy, food, agriculture, animals and plants etc. taught by world-class professors and fabulous professionals. Education is a key to sustainable development. Distance education is more environmentally friendly than traditional class-room…

Fall is a good time to buy discounted garden containers. There are a few good reasons why do you want to use containers even if you have enough garden space in your backyard: Containers are easier to tend You can…

The taste of fresh-picked home-grown organic vegetables is even better than that of what you can buy. Not to mention the satisfaction of “working” outside, enjoying fresh air, bright sunshine and a great sense of achievement. Planned correctly, the most…

Water is the most important resource on Earth. Without water we could not live. According to Water.org, 884 million people lack access to safe water supplies; approximately one in eight people. Reduce running water use : Don’t run the tap…

General-purpose computation on graphics processing units (GPGPU) is the technique of using GPUs, which typically handle computation for computer graphics, to perform data-parallel computation in applications traditionally handled by CPUs. The latest NVIDIA GPU (Tesla M2050 / M2070) can provide…

Here are a few environmental gardening tips I use to green my own garden. Make your own green pesticide 1) Combine one teaspoon dishwashing liquid and one cup vegetable oil and shake vigorously to let mix well. 2) At ten-day…

Trees, shrubs, herbs, flowers, grasses and other plants are nature’s air purifiers. They constantly clean the air and reduce the air pollution. Plants in your home or office are not only decorative, but also air purifiers. Here is a list…