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Mark Grah

Location: Leiden, Netherlands

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About: Nothing to say about myself.

Mark Grah

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Marco Cremona

Sustainable Water Recy...

Discussions:

Ferdinando "Nani" Beccalli-Falco - Id...

I'm late submitting my idea...

Mark Grah

Hi There, I'm Late my ex...

Comments:

Mark Grah says: Hi There,
I'm Late my excuses.
Can I submit my entry ?
Thanks ,

Mark Grah

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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.

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Hot discussions

Kazakhstan tanneries

by Karim Jaroudi

any info about leather tanners in Kazak?

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by Looney Barameda

Hey dexter, I like the generator in...

Should we be encouraging en...

by FishBowl Inafishbowl

Inafishbowl.com founder and entrepren...

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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.

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Most popular entries

Marco Cremona

Sustainable Water Recy...

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Currently 3/5 Stars.

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