Experts say green spaces like these are crucial to lower the temperature in concrete urban centers and ... "Helio da Silva, Tree Planter." ...

But not everyone has the space for a large outdoor garden. If you live in an apartment or lack usable yard space, you can still create your dream garden indoors -- just start with plant pods.

Treated surfaces resist pitting and cracking. This product is easy to apply on clean concrete with a brush or a pump-up garden sprayer, and an application should last up to 5 years. Our tests ...

In just over two decades, Helio da Silva has single-handedly planted about 40,000 trees in the urban jungle that is Sao Paulo. The former food industry executive says he was called "crazy" when he ...

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