http://www.shabkar.org/donation/
http://www.animalsavingtrust.org/
http://tsethar.org/
"The benefits of this practice have been described extensively
In many sutras, tantras and treatises.
Oceanlike gatherings of learned and accomplished masters of India and Tibet
Have considered this an important way to aid beings.
For those of the Hinayana,
This practice represents the abandoning of harming others;
For those who have entered the mind of awakening of the Mahayana,
It represents the training itself;
And for pracitioners of the Secret Mantra,
It represents the principal tantric commitment of the Jewel buddha family.
The reason for this is that in the world,
Nothing is more precious than life itself
And no negative act more serious than taking life.
Therefore, among composite forms of the roots of virtue,
None has greater benefit
Than the ransom and release of animals.
If you wish for happiness and good fortune,
Be diligent on this supreme path..."
- Chadral Rinpoche
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"When asked about adjusting the practice to the situation in Western countries, His Holiness the 17th Gyalwa Karmapa said that the meaning of life release is broad, that the practice can be done in a variety of ways, and that we should use our intelligence in deciding what way is most suitable in our particular circumstance.
During the Kagyu Monlam Chenmo 2007, in his address about protecting environment, His Holiness the Seventeenth Gyalwa Karmapa encouraged the sangha to engage in planting trees as a form of activity that accords with the spirit of life release."