Entries Pool Supporters

Features Ideas Masterclass

Episodes Meet the Judges

Calvin Chang

Location: Brooklyn , United States

View on LinkedIn

Log in or register to follow.

Calvin Chang

Bookmarks:

Calvin Chang has not added any bookmarks.

Discussions:

Creating Sustainable Business for a S...

Worldview Impact's plan to...

Leave a comment

Log in or create a user account to comment.

more…

Meet the finalists

Marco Cremona

Sustainable Water Recy...

Rating:

Currently 3/5 Stars.

Craig White

Photosynthetic Archite...

Rating:

Currently 2.5/5 Stars.

Mathew Holloway

Artica – Eco Friendly...

Rating:

Currently 2.5/5 Stars.

more…

Hot discussions

Solar Power Generator

by amanda bal

That was interesting.

Kazakhstan tanneries

by Karim Jaroudi

any info about leather tanners in Kazak?

Should we be encouraging en...

by FishBowl Inafishbowl

Inafishbowl.com founder and entrepren...

REGISTER NOW to contribute to discussions

more…

Shortlist

Marco Cremona

Sustainable Water Recy...

Rating:

Currently 3/5 Stars.

Craig White

Photosynthetic Archite...

Rating:

Currently 2.5/5 Stars.

Mario Rosato

AFADS: A low-cost trea...

Rating:

Currently 2.5/5 Stars.

Mark Mullen

Free commuter bikes, L...

Rating:

Currently 2.5/5 Stars.

Sameer Hajee

Clean lighting for imm...

Rating:

Currently 2.5/5 Stars.

Anne-Kathrin Kuhl...

Social Stock Exchanges...

Rating:

Currently 2.5/5 Stars.

Gilles Gallo

SOLAR-COOKER-BY-ID-COOK

Rating:

Currently 2.5/5 Stars.

Kresse Wesling

The Elvis & Kresse Org...

Rating:

Currently 2.5/5 Stars.

John Armstrong

A new idea for recover...

Rating:

Currently 2.5/5 Stars.

Mathew Holloway

Artica – Eco Friendly...

Rating:

Currently 2.5/5 Stars.

more…

Most popular entries

Marco Cremona

Sustainable Water Recy...

Rating:

Currently 3/5 Stars.

Sandeep Manohar N...

Rating:

Currently 3/5 Stars.

Markus count Matu...

Rating:

Currently 3/5 Stars.